Home / 21,597.18-32,398.52-8,447.85

Finding the Fourth Proportional to 21,597.18, 32,398.52 and 8,447.85

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Solution

The fourth proportional to 21,597.18, 32,398.52 and 8,447.85 is: 12,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.18 : 32,398.52 = 8,447.85 : x
  2. Step 2: Convert to fraction form
    21,597.18/32,398.52 = 8,447.85/x
  3. Step 3: Cross multiply
    21,597.18x = 32,398.52 × 8,447.85
  4. Step 4: Simplify right side
    21,597.18x = 273,697,794.94
  5. Step 5: Solve for x
    x = 273,697,794.94/21,597.18
  6. Step 6: Final answer
    x = 12,672.85

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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.