Home / 22,207.01-30,640.61-13,257.41

Finding the Fourth Proportional to 22,207.01, 30,640.61 and 13,257.41

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Solution

The fourth proportional to 22,207.01, 30,640.61 and 13,257.41 is: 18,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.01 : 30,640.61 = 13,257.41 : x
  2. Step 2: Convert to fraction form
    22,207.01/30,640.61 = 13,257.41/x
  3. Step 3: Cross multiply
    22,207.01x = 30,640.61 × 13,257.41
  4. Step 4: Simplify right side
    22,207.01x = 406,215,009.36
  5. Step 5: Solve for x
    x = 406,215,009.36/22,207.01
  6. Step 6: Final answer
    x = 18,292.20

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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.