Home / 13,486.38-20,229.30-6,085.55

Finding the Fourth Proportional to 13,486.38, 20,229.30 and 6,085.55

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Solution

The fourth proportional to 13,486.38, 20,229.30 and 6,085.55 is: 9,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.38 : 20,229.30 = 6,085.55 : x
  2. Step 2: Convert to fraction form
    13,486.38/20,229.30 = 6,085.55/x
  3. Step 3: Cross multiply
    13,486.38x = 20,229.30 × 6,085.55
  4. Step 4: Simplify right side
    13,486.38x = 123,106,315.47
  5. Step 5: Solve for x
    x = 123,106,315.47/13,486.38
  6. Step 6: Final answer
    x = 9,128.20

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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.