Home / 12,188.19-18,282.29-4,397.00

Finding the Fourth Proportional to 12,188.19, 18,282.29 and 4,397.00

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Solution

The fourth proportional to 12,188.19, 18,282.29 and 4,397.00 is: 6,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.19 : 18,282.29 = 4,397.00 : x
  2. Step 2: Convert to fraction form
    12,188.19/18,282.29 = 4,397.00/x
  3. Step 3: Cross multiply
    12,188.19x = 18,282.29 × 4,397.00
  4. Step 4: Simplify right side
    12,188.19x = 80,387,252.85
  5. Step 5: Solve for x
    x = 80,387,252.85/12,188.19
  6. Step 6: Final answer
    x = 6,595.50

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Double scale
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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.