Home / 12,184.30-18,276.45-12,069.10

Finding the Fourth Proportional to 12,184.30, 18,276.45 and 12,069.10

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Solution

The fourth proportional to 12,184.30, 18,276.45 and 12,069.10 is: 18,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.30 : 18,276.45 = 12,069.10 : x
  2. Step 2: Convert to fraction form
    12,184.30/18,276.45 = 12,069.10/x
  3. Step 3: Cross multiply
    12,184.30x = 18,276.45 × 12,069.10
  4. Step 4: Simplify right side
    12,184.30x = 220,580,302.70
  5. Step 5: Solve for x
    x = 220,580,302.70/12,184.30
  6. Step 6: Final answer
    x = 18,103.65

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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.