Home / 22,612.69-31,207.49-13,181.05

Finding the Fourth Proportional to 22,612.69, 31,207.49 and 13,181.05

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Solution

The fourth proportional to 22,612.69, 31,207.49 and 13,181.05 is: 18,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.69 : 31,207.49 = 13,181.05 : x
  2. Step 2: Convert to fraction form
    22,612.69/31,207.49 = 13,181.05/x
  3. Step 3: Cross multiply
    22,612.69x = 31,207.49 × 13,181.05
  4. Step 4: Simplify right side
    22,612.69x = 411,347,486.06
  5. Step 5: Solve for x
    x = 411,347,486.06/22,612.69
  6. Step 6: Final answer
    x = 18,191.00

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Double scale
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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.