Home / 12,353.91-18,531.50-3,589.53

Finding the Fourth Proportional to 12,353.91, 18,531.50 and 3,589.53

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Solution

The fourth proportional to 12,353.91, 18,531.50 and 3,589.53 is: 5,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.91 : 18,531.50 = 3,589.53 : x
  2. Step 2: Convert to fraction form
    12,353.91/18,531.50 = 3,589.53/x
  3. Step 3: Cross multiply
    12,353.91x = 18,531.50 × 3,589.53
  4. Step 4: Simplify right side
    12,353.91x = 66,519,357.25
  5. Step 5: Solve for x
    x = 66,519,357.25/12,353.91
  6. Step 6: Final answer
    x = 5,384.48

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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.