Home / 10,253.92-14,149.28-5,777.56

Finding the Fourth Proportional to 10,253.92, 14,149.28 and 5,777.56

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Solution

The fourth proportional to 10,253.92, 14,149.28 and 5,777.56 is: 7,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.92 : 14,149.28 = 5,777.56 : x
  2. Step 2: Convert to fraction form
    10,253.92/14,149.28 = 5,777.56/x
  3. Step 3: Cross multiply
    10,253.92x = 14,149.28 × 5,777.56
  4. Step 4: Simplify right side
    10,253.92x = 81,748,314.16
  5. Step 5: Solve for x
    x = 81,748,314.16/10,253.92
  6. Step 6: Final answer
    x = 7,972.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.