Home / 22,108.17-33,117.84-10,981.20

Finding the Fourth Proportional to 22,108.17, 33,117.84 and 10,981.20

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Solution

The fourth proportional to 22,108.17, 33,117.84 and 10,981.20 is: 16,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.17 : 33,117.84 = 10,981.20 : x
  2. Step 2: Convert to fraction form
    22,108.17/33,117.84 = 10,981.20/x
  3. Step 3: Cross multiply
    22,108.17x = 33,117.84 × 10,981.20
  4. Step 4: Simplify right side
    22,108.17x = 363,673,624.61
  5. Step 5: Solve for x
    x = 363,673,624.61/22,108.17
  6. Step 6: Final answer
    x = 16,449.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.