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Finding the Fourth Proportional to 14,710.98, 20,301.14 and 7,996.59

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Solution

The fourth proportional to 14,710.98, 20,301.14 and 7,996.59 is: 11,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.98 : 20,301.14 = 7,996.59 : x
  2. Step 2: Convert to fraction form
    14,710.98/20,301.14 = 7,996.59/x
  3. Step 3: Cross multiply
    14,710.98x = 20,301.14 × 7,996.59
  4. Step 4: Simplify right side
    14,710.98x = 162,339,853.13
  5. Step 5: Solve for x
    x = 162,339,853.13/14,710.98
  6. Step 6: Final answer
    x = 11,035.28

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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.