Home / 13,502.25-20,253.31-3,642.52

Finding the Fourth Proportional to 13,502.25, 20,253.31 and 3,642.52

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Solution

The fourth proportional to 13,502.25, 20,253.31 and 3,642.52 is: 5,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.25 : 20,253.31 = 3,642.52 : x
  2. Step 2: Convert to fraction form
    13,502.25/20,253.31 = 3,642.52/x
  3. Step 3: Cross multiply
    13,502.25x = 20,253.31 × 3,642.52
  4. Step 4: Simplify right side
    13,502.25x = 73,773,068.53
  5. Step 5: Solve for x
    x = 73,773,068.53/13,502.25
  6. Step 6: Final answer
    x = 5,463.76

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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.