Home / 10,655.57-15,981.44-2,862.56

Finding the Fourth Proportional to 10,655.57, 15,981.44 and 2,862.56

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Solution

The fourth proportional to 10,655.57, 15,981.44 and 2,862.56 is: 4,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.57 : 15,981.44 = 2,862.56 : x
  2. Step 2: Convert to fraction form
    10,655.57/15,981.44 = 2,862.56/x
  3. Step 3: Cross multiply
    10,655.57x = 15,981.44 × 2,862.56
  4. Step 4: Simplify right side
    10,655.57x = 45,747,856.53
  5. Step 5: Solve for x
    x = 45,747,856.53/10,655.57
  6. Step 6: Final answer
    x = 4,293.33

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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.