Home / 17,990.18-26,985.08-10,092.68

Finding the Fourth Proportional to 17,990.18, 26,985.08 and 10,092.68

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Solution

The fourth proportional to 17,990.18, 26,985.08 and 10,092.68 is: 15,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.18 : 26,985.08 = 10,092.68 : x
  2. Step 2: Convert to fraction form
    17,990.18/26,985.08 = 10,092.68/x
  3. Step 3: Cross multiply
    17,990.18x = 26,985.08 × 10,092.68
  4. Step 4: Simplify right side
    17,990.18x = 272,351,591.83
  5. Step 5: Solve for x
    x = 272,351,591.83/17,990.18
  6. Step 6: Final answer
    x = 15,138.91

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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.