Home / 18,153.32-27,229.90-5,005.80

Finding the Fourth Proportional to 18,153.32, 27,229.90 and 5,005.80

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Solution

The fourth proportional to 18,153.32, 27,229.90 and 5,005.80 is: 7,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.32 : 27,229.90 = 5,005.80 : x
  2. Step 2: Convert to fraction form
    18,153.32/27,229.90 = 5,005.80/x
  3. Step 3: Cross multiply
    18,153.32x = 27,229.90 × 5,005.80
  4. Step 4: Simplify right side
    18,153.32x = 136,307,433.42
  5. Step 5: Solve for x
    x = 136,307,433.42/18,153.32
  6. Step 6: Final answer
    x = 7,508.68

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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.