Home / 15,989.74-23,986.79-5,456.93

Finding the Fourth Proportional to 15,989.74, 23,986.79 and 5,456.93

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Solution

The fourth proportional to 15,989.74, 23,986.79 and 5,456.93 is: 8,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.74 : 23,986.79 = 5,456.93 : x
  2. Step 2: Convert to fraction form
    15,989.74/23,986.79 = 5,456.93/x
  3. Step 3: Cross multiply
    15,989.74x = 23,986.79 × 5,456.93
  4. Step 4: Simplify right side
    15,989.74x = 130,894,233.95
  5. Step 5: Solve for x
    x = 130,894,233.95/15,989.74
  6. Step 6: Final answer
    x = 8,186.14

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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.