Home / 13,548.23-20,323.35-3,687.59

Finding the Fourth Proportional to 13,548.23, 20,323.35 and 3,687.59

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Solution

The fourth proportional to 13,548.23, 20,323.35 and 3,687.59 is: 5,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.23 : 20,323.35 = 3,687.59 : x
  2. Step 2: Convert to fraction form
    13,548.23/20,323.35 = 3,687.59/x
  3. Step 3: Cross multiply
    13,548.23x = 20,323.35 × 3,687.59
  4. Step 4: Simplify right side
    13,548.23x = 74,944,080.61
  5. Step 5: Solve for x
    x = 74,944,080.61/13,548.23
  6. Step 6: Final answer
    x = 5,531.65

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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.