Home / 14,787.32-20,406.56-8,073.10

Finding the Fourth Proportional to 14,787.32, 20,406.56 and 8,073.10

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Solution

The fourth proportional to 14,787.32, 20,406.56 and 8,073.10 is: 11,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.32 : 20,406.56 = 8,073.10 : x
  2. Step 2: Convert to fraction form
    14,787.32/20,406.56 = 8,073.10/x
  3. Step 3: Cross multiply
    14,787.32x = 20,406.56 × 8,073.10
  4. Step 4: Simplify right side
    14,787.32x = 164,744,168.70
  5. Step 5: Solve for x
    x = 164,744,168.70/14,787.32
  6. Step 6: Final answer
    x = 11,140.91

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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.