Home / 15,050.55-20,770.51-9,082.12

Finding the Fourth Proportional to 15,050.55, 20,770.51 and 9,082.12

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Solution

The fourth proportional to 15,050.55, 20,770.51 and 9,082.12 is: 12,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.55 : 20,770.51 = 9,082.12 : x
  2. Step 2: Convert to fraction form
    15,050.55/20,770.51 = 9,082.12/x
  3. Step 3: Cross multiply
    15,050.55x = 20,770.51 × 9,082.12
  4. Step 4: Simplify right side
    15,050.55x = 188,640,264.28
  5. Step 5: Solve for x
    x = 188,640,264.28/15,050.55
  6. Step 6: Final answer
    x = 12,533.78

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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.