Home / 12,312.46-18,468.69-5,743.24

Finding the Fourth Proportional to 12,312.46, 18,468.69 and 5,743.24

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Solution

The fourth proportional to 12,312.46, 18,468.69 and 5,743.24 is: 8,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312.46 : 18,468.69 = 5,743.24 : x
  2. Step 2: Convert to fraction form
    12,312.46/18,468.69 = 5,743.24/x
  3. Step 3: Cross multiply
    12,312.46x = 18,468.69 × 5,743.24
  4. Step 4: Simplify right side
    12,312.46x = 106,070,119.16
  5. Step 5: Solve for x
    x = 106,070,119.16/12,312.46
  6. Step 6: Final answer
    x = 8,614.86

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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.