Home / 12,169.46-18,261.36-5,148.92

Finding the Fourth Proportional to 12,169.46, 18,261.36 and 5,148.92

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Solution

The fourth proportional to 12,169.46, 18,261.36 and 5,148.92 is: 7,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.46 : 18,261.36 = 5,148.92 : x
  2. Step 2: Convert to fraction form
    12,169.46/18,261.36 = 5,148.92/x
  3. Step 3: Cross multiply
    12,169.46x = 18,261.36 × 5,148.92
  4. Step 4: Simplify right side
    12,169.46x = 94,026,190.42
  5. Step 5: Solve for x
    x = 94,026,190.42/12,169.46
  6. Step 6: Final answer
    x = 7,726.41

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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.