Home / 22,207.15-30,646.25-13,252.92

Finding the Fourth Proportional to 22,207.15, 30,646.25 and 13,252.92

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Solution

The fourth proportional to 22,207.15, 30,646.25 and 13,252.92 is: 18,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.15 : 30,646.25 = 13,252.92 : x
  2. Step 2: Convert to fraction form
    22,207.15/30,646.25 = 13,252.92/x
  3. Step 3: Cross multiply
    22,207.15x = 30,646.25 × 13,252.92
  4. Step 4: Simplify right side
    22,207.15x = 406,152,299.55
  5. Step 5: Solve for x
    x = 406,152,299.55/22,207.15
  6. Step 6: Final answer
    x = 18,289.26

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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.