Home / 10,545.96-15,818.94-2,754.78

Finding the Fourth Proportional to 10,545.96, 15,818.94 and 2,754.78

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Solution

The fourth proportional to 10,545.96, 15,818.94 and 2,754.78 is: 4,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.96 : 15,818.94 = 2,754.78 : x
  2. Step 2: Convert to fraction form
    10,545.96/15,818.94 = 2,754.78/x
  3. Step 3: Cross multiply
    10,545.96x = 15,818.94 × 2,754.78
  4. Step 4: Simplify right side
    10,545.96x = 43,577,699.53
  5. Step 5: Solve for x
    x = 43,577,699.53/10,545.96
  6. Step 6: Final answer
    x = 4,132.17

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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.