Home / 20,085.46-30,146.87-10,232.13

Finding the Fourth Proportional to 20,085.46, 30,146.87 and 10,232.13

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Solution

The fourth proportional to 20,085.46, 30,146.87 and 10,232.13 is: 15,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.46 : 30,146.87 = 10,232.13 : x
  2. Step 2: Convert to fraction form
    20,085.46/30,146.87 = 10,232.13/x
  3. Step 3: Cross multiply
    20,085.46x = 30,146.87 × 10,232.13
  4. Step 4: Simplify right side
    20,085.46x = 308,466,692.93
  5. Step 5: Solve for x
    x = 308,466,692.93/20,085.46
  6. Step 6: Final answer
    x = 15,357.71

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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.