Home / 22,781.39-34,181.93-12,239.10

Finding the Fourth Proportional to 22,781.39, 34,181.93 and 12,239.10

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Solution

The fourth proportional to 22,781.39, 34,181.93 and 12,239.10 is: 18,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.39 : 34,181.93 = 12,239.10 : x
  2. Step 2: Convert to fraction form
    22,781.39/34,181.93 = 12,239.10/x
  3. Step 3: Cross multiply
    22,781.39x = 34,181.93 × 12,239.10
  4. Step 4: Simplify right side
    22,781.39x = 418,356,090.06
  5. Step 5: Solve for x
    x = 418,356,090.06/22,781.39
  6. Step 6: Final answer
    x = 18,363.94

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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.