Home / 22,358.82-30,853.05-13,404.66

Finding the Fourth Proportional to 22,358.82, 30,853.05 and 13,404.66

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Solution

The fourth proportional to 22,358.82, 30,853.05 and 13,404.66 is: 18,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.82 : 30,853.05 = 13,404.66 : x
  2. Step 2: Convert to fraction form
    22,358.82/30,853.05 = 13,404.66/x
  3. Step 3: Cross multiply
    22,358.82x = 30,853.05 × 13,404.66
  4. Step 4: Simplify right side
    22,358.82x = 413,574,645.21
  5. Step 5: Solve for x
    x = 413,574,645.21/22,358.82
  6. Step 6: Final answer
    x = 18,497.16

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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.