Home / 10,291.85-14,202.76-5,576.12

Finding the Fourth Proportional to 10,291.85, 14,202.76 and 5,576.12

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Solution

The fourth proportional to 10,291.85, 14,202.76 and 5,576.12 is: 7,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.85 : 14,202.76 = 5,576.12 : x
  2. Step 2: Convert to fraction form
    10,291.85/14,202.76 = 5,576.12/x
  3. Step 3: Cross multiply
    10,291.85x = 14,202.76 × 5,576.12
  4. Step 4: Simplify right side
    10,291.85x = 79,196,315.66
  5. Step 5: Solve for x
    x = 79,196,315.66/10,291.85
  6. Step 6: Final answer
    x = 7,695.06

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Half scale
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Double scale
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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.