Home / 16,320.90-22,505.74-12,080.86

Finding the Fourth Proportional to 16,320.90, 22,505.74 and 12,080.86

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Solution

The fourth proportional to 16,320.90, 22,505.74 and 12,080.86 is: 16,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.90 : 22,505.74 = 12,080.86 : x
  2. Step 2: Convert to fraction form
    16,320.90/22,505.74 = 12,080.86/x
  3. Step 3: Cross multiply
    16,320.90x = 22,505.74 × 12,080.86
  4. Step 4: Simplify right side
    16,320.90x = 271,888,607.67
  5. Step 5: Solve for x
    x = 271,888,607.67/16,320.90
  6. Step 6: Final answer
    x = 16,658.92

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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.