Home / 22,251.11-30,717.63-12,817.85

Finding the Fourth Proportional to 22,251.11, 30,717.63 and 12,817.85

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Solution

The fourth proportional to 22,251.11, 30,717.63 and 12,817.85 is: 17,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.11 : 30,717.63 = 12,817.85 : x
  2. Step 2: Convert to fraction form
    22,251.11/30,717.63 = 12,817.85/x
  3. Step 3: Cross multiply
    22,251.11x = 30,717.63 × 12,817.85
  4. Step 4: Simplify right side
    22,251.11x = 393,733,820.11
  5. Step 5: Solve for x
    x = 393,733,820.11/22,251.11
  6. Step 6: Final answer
    x = 17,695.02

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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.