Home / 18,943.20-26,079.30-18,008.10

Finding the Fourth Proportional to 18,943.20, 26,079.30 and 18,008.10

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Solution

The fourth proportional to 18,943.20, 26,079.30 and 18,008.10 is: 24,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.20 : 26,079.30 = 18,008.10 : x
  2. Step 2: Convert to fraction form
    18,943.20/26,079.30 = 18,008.10/x
  3. Step 3: Cross multiply
    18,943.20x = 26,079.30 × 18,008.10
  4. Step 4: Simplify right side
    18,943.20x = 469,638,642.33
  5. Step 5: Solve for x
    x = 469,638,642.33/18,943.20
  6. Step 6: Final answer
    x = 24,791.94

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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.