Home / 22,608.29-31,199.38-13,654.04

Finding the Fourth Proportional to 22,608.29, 31,199.38 and 13,654.04

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Solution

The fourth proportional to 22,608.29, 31,199.38 and 13,654.04 is: 18,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.29 : 31,199.38 = 13,654.04 : x
  2. Step 2: Convert to fraction form
    22,608.29/31,199.38 = 13,654.04/x
  3. Step 3: Cross multiply
    22,608.29x = 31,199.38 × 13,654.04
  4. Step 4: Simplify right side
    22,608.29x = 425,997,392.36
  5. Step 5: Solve for x
    x = 425,997,392.36/22,608.29
  6. Step 6: Final answer
    x = 18,842.53

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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.