Home / 12,102.24-18,151.92-5,171.52

Finding the Fourth Proportional to 12,102.24, 18,151.92 and 5,171.52

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Solution

The fourth proportional to 12,102.24, 18,151.92 and 5,171.52 is: 7,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.24 : 18,151.92 = 5,171.52 : x
  2. Step 2: Convert to fraction form
    12,102.24/18,151.92 = 5,171.52/x
  3. Step 3: Cross multiply
    12,102.24x = 18,151.92 × 5,171.52
  4. Step 4: Simplify right side
    12,102.24x = 93,873,017.32
  5. Step 5: Solve for x
    x = 93,873,017.32/12,102.24
  6. Step 6: Final answer
    x = 7,756.66

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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.