Home / 18,884.10-26,034.30-13,839.42

Finding the Fourth Proportional to 18,884.10, 26,034.30 and 13,839.42

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Solution

The fourth proportional to 18,884.10, 26,034.30 and 13,839.42 is: 19,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.10 : 26,034.30 = 13,839.42 : x
  2. Step 2: Convert to fraction form
    18,884.10/26,034.30 = 13,839.42/x
  3. Step 3: Cross multiply
    18,884.10x = 26,034.30 × 13,839.42
  4. Step 4: Simplify right side
    18,884.10x = 360,299,612.11
  5. Step 5: Solve for x
    x = 360,299,612.11/18,884.10
  6. Step 6: Final answer
    x = 19,079.52

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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.