Home / 10,532.55-15,800.44-3,959.20

Finding the Fourth Proportional to 10,532.55, 15,800.44 and 3,959.20

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Solution

The fourth proportional to 10,532.55, 15,800.44 and 3,959.20 is: 5,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.55 : 15,800.44 = 3,959.20 : x
  2. Step 2: Convert to fraction form
    10,532.55/15,800.44 = 3,959.20/x
  3. Step 3: Cross multiply
    10,532.55x = 15,800.44 × 3,959.20
  4. Step 4: Simplify right side
    10,532.55x = 62,557,023.05
  5. Step 5: Solve for x
    x = 62,557,023.05/10,532.55
  6. Step 6: Final answer
    x = 5,939.40

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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.