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Finding the Fourth Proportional to 15,921.92, 23,883.09 and 6,061.74

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Solution

The fourth proportional to 15,921.92, 23,883.09 and 6,061.74 is: 9,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.92 : 23,883.09 = 6,061.74 : x
  2. Step 2: Convert to fraction form
    15,921.92/23,883.09 = 6,061.74/x
  3. Step 3: Cross multiply
    15,921.92x = 23,883.09 × 6,061.74
  4. Step 4: Simplify right side
    15,921.92x = 144,772,969.68
  5. Step 5: Solve for x
    x = 144,772,969.68/15,921.92
  6. Step 6: Final answer
    x = 9,092.68

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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.