Home / 18,272.66-27,408.56-5,124.65

Finding the Fourth Proportional to 18,272.66, 27,408.56 and 5,124.65

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Solution

The fourth proportional to 18,272.66, 27,408.56 and 5,124.65 is: 7,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.66 : 27,408.56 = 5,124.65 : x
  2. Step 2: Convert to fraction form
    18,272.66/27,408.56 = 5,124.65/x
  3. Step 3: Cross multiply
    18,272.66x = 27,408.56 × 5,124.65
  4. Step 4: Simplify right side
    18,272.66x = 140,459,114.34
  5. Step 5: Solve for x
    x = 140,459,114.34/18,272.66
  6. Step 6: Final answer
    x = 7,686.85

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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.