Home / 18,255.67-27,373.02-7,149.35

Finding the Fourth Proportional to 18,255.67, 27,373.02 and 7,149.35

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Solution

The fourth proportional to 18,255.67, 27,373.02 and 7,149.35 is: 10,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.67 : 27,373.02 = 7,149.35 : x
  2. Step 2: Convert to fraction form
    18,255.67/27,373.02 = 7,149.35/x
  3. Step 3: Cross multiply
    18,255.67x = 27,373.02 × 7,149.35
  4. Step 4: Simplify right side
    18,255.67x = 195,699,334.75
  5. Step 5: Solve for x
    x = 195,699,334.75/18,255.67
  6. Step 6: Final answer
    x = 10,719.92

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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.