Home / 17,990.05-26,984.89-10,092.55

Finding the Fourth Proportional to 17,990.05, 26,984.89 and 10,092.55

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Solution

The fourth proportional to 17,990.05, 26,984.89 and 10,092.55 is: 15,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.05 : 26,984.89 = 10,092.55 : x
  2. Step 2: Convert to fraction form
    17,990.05/26,984.89 = 10,092.55/x
  3. Step 3: Cross multiply
    17,990.05x = 26,984.89 × 10,092.55
  4. Step 4: Simplify right side
    17,990.05x = 272,346,351.57
  5. Step 5: Solve for x
    x = 272,346,351.57/17,990.05
  6. Step 6: Final answer
    x = 15,138.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.