Home / 18,177.89-25,085.33-10,220.14

Finding the Fourth Proportional to 18,177.89, 25,085.33 and 10,220.14

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Solution

The fourth proportional to 18,177.89, 25,085.33 and 10,220.14 is: 14,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.89 : 25,085.33 = 10,220.14 : x
  2. Step 2: Convert to fraction form
    18,177.89/25,085.33 = 10,220.14/x
  3. Step 3: Cross multiply
    18,177.89x = 25,085.33 × 10,220.14
  4. Step 4: Simplify right side
    18,177.89x = 256,375,603.13
  5. Step 5: Solve for x
    x = 256,375,603.13/18,177.89
  6. Step 6: Final answer
    x = 14,103.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.