Home / 14,819.32-20,451.18-9,787.96

Finding the Fourth Proportional to 14,819.32, 20,451.18 and 9,787.96

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Solution

The fourth proportional to 14,819.32, 20,451.18 and 9,787.96 is: 13,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.32 : 20,451.18 = 9,787.96 : x
  2. Step 2: Convert to fraction form
    14,819.32/20,451.18 = 9,787.96/x
  3. Step 3: Cross multiply
    14,819.32x = 20,451.18 × 9,787.96
  4. Step 4: Simplify right side
    14,819.32x = 200,175,331.79
  5. Step 5: Solve for x
    x = 200,175,331.79/14,819.32
  6. Step 6: Final answer
    x = 13,507.73

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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.