Home / 16,787.64-23,165.10-9,712.92

Finding the Fourth Proportional to 16,787.64, 23,165.10 and 9,712.92

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Solution

The fourth proportional to 16,787.64, 23,165.10 and 9,712.92 is: 13,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.64 : 23,165.10 = 9,712.92 : x
  2. Step 2: Convert to fraction form
    16,787.64/23,165.10 = 9,712.92/x
  3. Step 3: Cross multiply
    16,787.64x = 23,165.10 × 9,712.92
  4. Step 4: Simplify right side
    16,787.64x = 225,000,763.09
  5. Step 5: Solve for x
    x = 225,000,763.09/16,787.64
  6. Step 6: Final answer
    x = 13,402.76

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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.