Home / 12,188.21-18,282.32-4,397.02

Finding the Fourth Proportional to 12,188.21, 18,282.32 and 4,397.02

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Solution

The fourth proportional to 12,188.21, 18,282.32 and 4,397.02 is: 6,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.21 : 18,282.32 = 4,397.02 : x
  2. Step 2: Convert to fraction form
    12,188.21/18,282.32 = 4,397.02/x
  3. Step 3: Cross multiply
    12,188.21x = 18,282.32 × 4,397.02
  4. Step 4: Simplify right side
    12,188.21x = 80,387,726.69
  5. Step 5: Solve for x
    x = 80,387,726.69/12,188.21
  6. Step 6: Final answer
    x = 6,595.53

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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.