Home / 10,545.30-15,818.01-2,754.18

Finding the Fourth Proportional to 10,545.30, 15,818.01 and 2,754.18

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Solution

The fourth proportional to 10,545.30, 15,818.01 and 2,754.18 is: 4,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.30 : 15,818.01 = 2,754.18 : x
  2. Step 2: Convert to fraction form
    10,545.30/15,818.01 = 2,754.18/x
  3. Step 3: Cross multiply
    10,545.30x = 15,818.01 × 2,754.18
  4. Step 4: Simplify right side
    10,545.30x = 43,565,646.78
  5. Step 5: Solve for x
    x = 43,565,646.78/10,545.30
  6. Step 6: Final answer
    x = 4,131.29

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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.