Home / 15,181.59-22,781.03-12,123.03

Finding the Fourth Proportional to 15,181.59, 22,781.03 and 12,123.03

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Solution

The fourth proportional to 15,181.59, 22,781.03 and 12,123.03 is: 18,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.59 : 22,781.03 = 12,123.03 : x
  2. Step 2: Convert to fraction form
    15,181.59/22,781.03 = 12,123.03/x
  3. Step 3: Cross multiply
    15,181.59x = 22,781.03 × 12,123.03
  4. Step 4: Simplify right side
    15,181.59x = 276,175,049.51
  5. Step 5: Solve for x
    x = 276,175,049.51/15,181.59
  6. Step 6: Final answer
    x = 18,191.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.