Home / 15,926.29-22,000.76-12,760.61

Finding the Fourth Proportional to 15,926.29, 22,000.76 and 12,760.61

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Solution

The fourth proportional to 15,926.29, 22,000.76 and 12,760.61 is: 17,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.29 : 22,000.76 = 12,760.61 : x
  2. Step 2: Convert to fraction form
    15,926.29/22,000.76 = 12,760.61/x
  3. Step 3: Cross multiply
    15,926.29x = 22,000.76 × 12,760.61
  4. Step 4: Simplify right side
    15,926.29x = 280,743,118.06
  5. Step 5: Solve for x
    x = 280,743,118.06/15,926.29
  6. Step 6: Final answer
    x = 17,627.65

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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.