Home / 13,589.20-20,332.28-8,045.52

Finding the Fourth Proportional to 13,589.20, 20,332.28 and 8,045.52

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Solution

The fourth proportional to 13,589.20, 20,332.28 and 8,045.52 is: 12,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.20 : 20,332.28 = 8,045.52 : x
  2. Step 2: Convert to fraction form
    13,589.20/20,332.28 = 8,045.52/x
  3. Step 3: Cross multiply
    13,589.20x = 20,332.28 × 8,045.52
  4. Step 4: Simplify right side
    13,589.20x = 163,583,765.39
  5. Step 5: Solve for x
    x = 163,583,765.39/13,589.20
  6. Step 6: Final answer
    x = 12,037.78

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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.