Home / 12,526.28-18,787.98-3,761.18

Finding the Fourth Proportional to 12,526.28, 18,787.98 and 3,761.18

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Solution

The fourth proportional to 12,526.28, 18,787.98 and 3,761.18 is: 5,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.28 : 18,787.98 = 3,761.18 : x
  2. Step 2: Convert to fraction form
    12,526.28/18,787.98 = 3,761.18/x
  3. Step 3: Cross multiply
    12,526.28x = 18,787.98 × 3,761.18
  4. Step 4: Simplify right side
    12,526.28x = 70,664,974.62
  5. Step 5: Solve for x
    x = 70,664,974.62/12,526.28
  6. Step 6: Final answer
    x = 5,641.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.