Home / 15,366.25-21,199.17-11,342.71

Finding the Fourth Proportional to 15,366.25, 21,199.17 and 11,342.71

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Solution

The fourth proportional to 15,366.25, 21,199.17 and 11,342.71 is: 15,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.25 : 21,199.17 = 11,342.71 : x
  2. Step 2: Convert to fraction form
    15,366.25/21,199.17 = 11,342.71/x
  3. Step 3: Cross multiply
    15,366.25x = 21,199.17 × 11,342.71
  4. Step 4: Simplify right side
    15,366.25x = 240,456,037.55
  5. Step 5: Solve for x
    x = 240,456,037.55/15,366.25
  6. Step 6: Final answer
    x = 15,648.32

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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.