Home / 15,293.52-21,101.85-9,996.12

Finding the Fourth Proportional to 15,293.52, 21,101.85 and 9,996.12

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Solution

The fourth proportional to 15,293.52, 21,101.85 and 9,996.12 is: 13,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.52 : 21,101.85 = 9,996.12 : x
  2. Step 2: Convert to fraction form
    15,293.52/21,101.85 = 9,996.12/x
  3. Step 3: Cross multiply
    15,293.52x = 21,101.85 × 9,996.12
  4. Step 4: Simplify right side
    15,293.52x = 210,936,624.82
  5. Step 5: Solve for x
    x = 210,936,624.82/15,293.52
  6. Step 6: Final answer
    x = 13,792.55

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Half scale
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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.