Home / 9,576.51-13,215.45-5,384.76

Finding the Fourth Proportional to 9,576.51, 13,215.45 and 5,384.76

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Solution

The fourth proportional to 9,576.51, 13,215.45 and 5,384.76 is: 7,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.51 : 13,215.45 = 5,384.76 : x
  2. Step 2: Convert to fraction form
    9,576.51/13,215.45 = 5,384.76/x
  3. Step 3: Cross multiply
    9,576.51x = 13,215.45 × 5,384.76
  4. Step 4: Simplify right side
    9,576.51x = 71,162,026.54
  5. Step 5: Solve for x
    x = 71,162,026.54/9,576.51
  6. Step 6: Final answer
    x = 7,430.89

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,577.51, 13,216.83 and 5,385.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.