Home / 22,000.56-30,350.04-12,566.64

Finding the Fourth Proportional to 22,000.56, 30,350.04 and 12,566.64

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Solution

The fourth proportional to 22,000.56, 30,350.04 and 12,566.64 is: 17,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.56 : 30,350.04 = 12,566.64 : x
  2. Step 2: Convert to fraction form
    22,000.56/30,350.04 = 12,566.64/x
  3. Step 3: Cross multiply
    22,000.56x = 30,350.04 × 12,566.64
  4. Step 4: Simplify right side
    22,000.56x = 381,398,026.67
  5. Step 5: Solve for x
    x = 381,398,026.67/22,000.56
  6. Step 6: Final answer
    x = 17,335.83

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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.