Home / 19,411.54-29,117.32-15,497.62

Finding the Fourth Proportional to 19,411.54, 29,117.32 and 15,497.62

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Solution

The fourth proportional to 19,411.54, 29,117.32 and 15,497.62 is: 23,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.54 : 29,117.32 = 15,497.62 : x
  2. Step 2: Convert to fraction form
    19,411.54/29,117.32 = 15,497.62/x
  3. Step 3: Cross multiply
    19,411.54x = 29,117.32 × 15,497.62
  4. Step 4: Simplify right side
    19,411.54x = 451,249,160.78
  5. Step 5: Solve for x
    x = 451,249,160.78/19,411.54
  6. Step 6: Final answer
    x = 23,246.44

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.