Home / 22,402.29-30,914.49-12,330.72

Finding the Fourth Proportional to 22,402.29, 30,914.49 and 12,330.72

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Solution

The fourth proportional to 22,402.29, 30,914.49 and 12,330.72 is: 17,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,402.29 : 30,914.49 = 12,330.72 : x
  2. Step 2: Convert to fraction form
    22,402.29/30,914.49 = 12,330.72/x
  3. Step 3: Cross multiply
    22,402.29x = 30,914.49 × 12,330.72
  4. Step 4: Simplify right side
    22,402.29x = 381,197,920.13
  5. Step 5: Solve for x
    x = 381,197,920.13/22,402.29
  6. Step 6: Final answer
    x = 17,016.02

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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.