Home / 22,350.97-30,853.13-13,396.74

Finding the Fourth Proportional to 22,350.97, 30,853.13 and 13,396.74

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Solution

The fourth proportional to 22,350.97, 30,853.13 and 13,396.74 is: 18,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.97 : 30,853.13 = 13,396.74 : x
  2. Step 2: Convert to fraction form
    22,350.97/30,853.13 = 13,396.74/x
  3. Step 3: Cross multiply
    22,350.97x = 30,853.13 × 13,396.74
  4. Step 4: Simplify right side
    22,350.97x = 413,331,293.81
  5. Step 5: Solve for x
    x = 413,331,293.81/22,350.97
  6. Step 6: Final answer
    x = 18,492.77

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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.