Home / 15,082.30-20,794.44-10,780.54

Finding the Fourth Proportional to 15,082.30, 20,794.44 and 10,780.54

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Solution

The fourth proportional to 15,082.30, 20,794.44 and 10,780.54 is: 14,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.30 : 20,794.44 = 10,780.54 : x
  2. Step 2: Convert to fraction form
    15,082.30/20,794.44 = 10,780.54/x
  3. Step 3: Cross multiply
    15,082.30x = 20,794.44 × 10,780.54
  4. Step 4: Simplify right side
    15,082.30x = 224,175,292.20
  5. Step 5: Solve for x
    x = 224,175,292.20/15,082.30
  6. Step 6: Final answer
    x = 14,863.47

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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.