Home / 14,787.29-20,406.77-8,073.20

Finding the Fourth Proportional to 14,787.29, 20,406.77 and 8,073.20

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Solution

The fourth proportional to 14,787.29, 20,406.77 and 8,073.20 is: 11,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.29 : 20,406.77 = 8,073.20 : x
  2. Step 2: Convert to fraction form
    14,787.29/20,406.77 = 8,073.20/x
  3. Step 3: Cross multiply
    14,787.29x = 20,406.77 × 8,073.20
  4. Step 4: Simplify right side
    14,787.29x = 164,748,006.76
  5. Step 5: Solve for x
    x = 164,748,006.76/14,787.29
  6. Step 6: Final answer
    x = 11,141.19

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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.