Home / 16,723.86-23,079.18-9,170.88

Finding the Fourth Proportional to 16,723.86, 23,079.18 and 9,170.88

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Solution

The fourth proportional to 16,723.86, 23,079.18 and 9,170.88 is: 12,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,723.86 : 23,079.18 = 9,170.88 : x
  2. Step 2: Convert to fraction form
    16,723.86/23,079.18 = 9,170.88/x
  3. Step 3: Cross multiply
    16,723.86x = 23,079.18 × 9,170.88
  4. Step 4: Simplify right side
    16,723.86x = 211,656,274.88
  5. Step 5: Solve for x
    x = 211,656,274.88/16,723.86
  6. Step 6: Final answer
    x = 12,655.95

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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.