Home / 9,576.40-13,214.60-5,383.76

Finding the Fourth Proportional to 9,576.40, 13,214.60 and 5,383.76

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Solution

The fourth proportional to 9,576.40, 13,214.60 and 5,383.76 is: 7,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.40 : 13,214.60 = 5,383.76 : x
  2. Step 2: Convert to fraction form
    9,576.40/13,214.60 = 5,383.76/x
  3. Step 3: Cross multiply
    9,576.40x = 13,214.60 × 5,383.76
  4. Step 4: Simplify right side
    9,576.40x = 71,144,234.90
  5. Step 5: Solve for x
    x = 71,144,234.90/9,576.40
  6. Step 6: Final answer
    x = 7,429.12

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Double scale
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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.