Home / 15,170.24-22,752.80-4,078.16

Finding the Fourth Proportional to 15,170.24, 22,752.80 and 4,078.16

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Solution

The fourth proportional to 15,170.24, 22,752.80 and 4,078.16 is: 6,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.24 : 22,752.80 = 4,078.16 : x
  2. Step 2: Convert to fraction form
    15,170.24/22,752.80 = 4,078.16/x
  3. Step 3: Cross multiply
    15,170.24x = 22,752.80 × 4,078.16
  4. Step 4: Simplify right side
    15,170.24x = 92,789,558.85
  5. Step 5: Solve for x
    x = 92,789,558.85/15,170.24
  6. Step 6: Final answer
    x = 6,116.55

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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.