Home / 18,899.38-26,080.61-10,941.74

Finding the Fourth Proportional to 18,899.38, 26,080.61 and 10,941.74

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Solution

The fourth proportional to 18,899.38, 26,080.61 and 10,941.74 is: 15,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.38 : 26,080.61 = 10,941.74 : x
  2. Step 2: Convert to fraction form
    18,899.38/26,080.61 = 10,941.74/x
  3. Step 3: Cross multiply
    18,899.38x = 26,080.61 × 10,941.74
  4. Step 4: Simplify right side
    18,899.38x = 285,367,253.66
  5. Step 5: Solve for x
    x = 285,367,253.66/18,899.38
  6. Step 6: Final answer
    x = 15,099.29

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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.