Home / 16,272.18-22,455.45-8,820.18

Finding the Fourth Proportional to 16,272.18, 22,455.45 and 8,820.18

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Solution

The fourth proportional to 16,272.18, 22,455.45 and 8,820.18 is: 12,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.18 : 22,455.45 = 8,820.18 : x
  2. Step 2: Convert to fraction form
    16,272.18/22,455.45 = 8,820.18/x
  3. Step 3: Cross multiply
    16,272.18x = 22,455.45 × 8,820.18
  4. Step 4: Simplify right side
    16,272.18x = 198,061,110.98
  5. Step 5: Solve for x
    x = 198,061,110.98/16,272.18
  6. Step 6: Final answer
    x = 12,171.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.