Home / 15,990.95-23,986.58-6,127.88

Finding the Fourth Proportional to 15,990.95, 23,986.58 and 6,127.88

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Solution

The fourth proportional to 15,990.95, 23,986.58 and 6,127.88 is: 9,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.95 : 23,986.58 = 6,127.88 : x
  2. Step 2: Convert to fraction form
    15,990.95/23,986.58 = 6,127.88/x
  3. Step 3: Cross multiply
    15,990.95x = 23,986.58 × 6,127.88
  4. Step 4: Simplify right side
    15,990.95x = 146,986,733.28
  5. Step 5: Solve for x
    x = 146,986,733.28/15,990.95
  6. Step 6: Final answer
    x = 9,191.87

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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.