Home / 18,492.66-25,538.49-11,781.30

Finding the Fourth Proportional to 18,492.66, 25,538.49 and 11,781.30

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Solution

The fourth proportional to 18,492.66, 25,538.49 and 11,781.30 is: 16,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.66 : 25,538.49 = 11,781.30 : x
  2. Step 2: Convert to fraction form
    18,492.66/25,538.49 = 11,781.30/x
  3. Step 3: Cross multiply
    18,492.66x = 25,538.49 × 11,781.30
  4. Step 4: Simplify right side
    18,492.66x = 300,876,612.24
  5. Step 5: Solve for x
    x = 300,876,612.24/18,492.66
  6. Step 6: Final answer
    x = 16,270.06

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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.