Home / 12,247.25-18,372.18-3,924.29

Finding the Fourth Proportional to 12,247.25, 18,372.18 and 3,924.29

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Solution

The fourth proportional to 12,247.25, 18,372.18 and 3,924.29 is: 5,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.25 : 18,372.18 = 3,924.29 : x
  2. Step 2: Convert to fraction form
    12,247.25/18,372.18 = 3,924.29/x
  3. Step 3: Cross multiply
    12,247.25x = 18,372.18 × 3,924.29
  4. Step 4: Simplify right side
    12,247.25x = 72,097,762.25
  5. Step 5: Solve for x
    x = 72,097,762.25/12,247.25
  6. Step 6: Final answer
    x = 5,886.85

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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.