Home / 13,538.85-20,306.22-4,655.53

Finding the Fourth Proportional to 13,538.85, 20,306.22 and 4,655.53

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Solution

The fourth proportional to 13,538.85, 20,306.22 and 4,655.53 is: 6,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538.85 : 20,306.22 = 4,655.53 : x
  2. Step 2: Convert to fraction form
    13,538.85/20,306.22 = 4,655.53/x
  3. Step 3: Cross multiply
    13,538.85x = 20,306.22 × 4,655.53
  4. Step 4: Simplify right side
    13,538.85x = 94,536,216.40
  5. Step 5: Solve for x
    x = 94,536,216.40/13,538.85
  6. Step 6: Final answer
    x = 6,982.59

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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.