Home / 12,184.82-18,286.85-6,261.47

Finding the Fourth Proportional to 12,184.82, 18,286.85 and 6,261.47

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Solution

The fourth proportional to 12,184.82, 18,286.85 and 6,261.47 is: 9,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.82 : 18,286.85 = 6,261.47 : x
  2. Step 2: Convert to fraction form
    12,184.82/18,286.85 = 6,261.47/x
  3. Step 3: Cross multiply
    12,184.82x = 18,286.85 × 6,261.47
  4. Step 4: Simplify right side
    12,184.82x = 114,502,531.36
  5. Step 5: Solve for x
    x = 114,502,531.36/12,184.82
  6. Step 6: Final answer
    x = 9,397.15

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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.