Home / 18,787.24-25,924.90-10,402.92

Finding the Fourth Proportional to 18,787.24, 25,924.90 and 10,402.92

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Solution

The fourth proportional to 18,787.24, 25,924.90 and 10,402.92 is: 14,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.24 : 25,924.90 = 10,402.92 : x
  2. Step 2: Convert to fraction form
    18,787.24/25,924.90 = 10,402.92/x
  3. Step 3: Cross multiply
    18,787.24x = 25,924.90 × 10,402.92
  4. Step 4: Simplify right side
    18,787.24x = 269,694,660.71
  5. Step 5: Solve for x
    x = 269,694,660.71/18,787.24
  6. Step 6: Final answer
    x = 14,355.20

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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.