Home / 12,260.04-18,390.06-8,569.47

Finding the Fourth Proportional to 12,260.04, 18,390.06 and 8,569.47

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Solution

The fourth proportional to 12,260.04, 18,390.06 and 8,569.47 is: 12,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.04 : 18,390.06 = 8,569.47 : x
  2. Step 2: Convert to fraction form
    12,260.04/18,390.06 = 8,569.47/x
  3. Step 3: Cross multiply
    12,260.04x = 18,390.06 × 8,569.47
  4. Step 4: Simplify right side
    12,260.04x = 157,593,067.47
  5. Step 5: Solve for x
    x = 157,593,067.47/12,260.04
  6. Step 6: Final answer
    x = 12,854.21

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Similar ratio
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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.