Home / 15,078.38-22,617.93-8,881.88

Finding the Fourth Proportional to 15,078.38, 22,617.93 and 8,881.88

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Solution

The fourth proportional to 15,078.38, 22,617.93 and 8,881.88 is: 13,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.38 : 22,617.93 = 8,881.88 : x
  2. Step 2: Convert to fraction form
    15,078.38/22,617.93 = 8,881.88/x
  3. Step 3: Cross multiply
    15,078.38x = 22,617.93 × 8,881.88
  4. Step 4: Simplify right side
    15,078.38x = 200,889,740.11
  5. Step 5: Solve for x
    x = 200,889,740.11/15,078.38
  6. Step 6: Final answer
    x = 13,323.03

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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.