Home / 22,609.90-31,199.63-12,538.32

Finding the Fourth Proportional to 22,609.90, 31,199.63 and 12,538.32

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Solution

The fourth proportional to 22,609.90, 31,199.63 and 12,538.32 is: 17,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.90 : 31,199.63 = 12,538.32 : x
  2. Step 2: Convert to fraction form
    22,609.90/31,199.63 = 12,538.32/x
  3. Step 3: Cross multiply
    22,609.90x = 31,199.63 × 12,538.32
  4. Step 4: Simplify right side
    22,609.90x = 391,190,765.13
  5. Step 5: Solve for x
    x = 391,190,765.13/22,609.90
  6. Step 6: Final answer
    x = 17,301.75

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Similar ratio
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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.