Home / 18,899.91-26,080.19-10,942.68

Finding the Fourth Proportional to 18,899.91, 26,080.19 and 10,942.68

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Solution

The fourth proportional to 18,899.91, 26,080.19 and 10,942.68 is: 15,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.91 : 26,080.19 = 10,942.68 : x
  2. Step 2: Convert to fraction form
    18,899.91/26,080.19 = 10,942.68/x
  3. Step 3: Cross multiply
    18,899.91x = 26,080.19 × 10,942.68
  4. Step 4: Simplify right side
    18,899.91x = 285,386,988.39
  5. Step 5: Solve for x
    x = 285,386,988.39/18,899.91
  6. Step 6: Final answer
    x = 15,099.91

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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.