Home / 19,387.62-26,753.96-10,888.70

Finding the Fourth Proportional to 19,387.62, 26,753.96 and 10,888.70

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Solution

The fourth proportional to 19,387.62, 26,753.96 and 10,888.70 is: 15,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.62 : 26,753.96 = 10,888.70 : x
  2. Step 2: Convert to fraction form
    19,387.62/26,753.96 = 10,888.70/x
  3. Step 3: Cross multiply
    19,387.62x = 26,753.96 × 10,888.70
  4. Step 4: Simplify right side
    19,387.62x = 291,315,737.70
  5. Step 5: Solve for x
    x = 291,315,737.70/19,387.62
  6. Step 6: Final answer
    x = 15,025.86

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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.