Home / 10,458.24-15,686.88-3,532.80

Finding the Fourth Proportional to 10,458.24, 15,686.88 and 3,532.80

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Solution

The fourth proportional to 10,458.24, 15,686.88 and 3,532.80 is: 5,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.24 : 15,686.88 = 3,532.80 : x
  2. Step 2: Convert to fraction form
    10,458.24/15,686.88 = 3,532.80/x
  3. Step 3: Cross multiply
    10,458.24x = 15,686.88 × 3,532.80
  4. Step 4: Simplify right side
    10,458.24x = 55,418,609.66
  5. Step 5: Solve for x
    x = 55,418,609.66/10,458.24
  6. Step 6: Final answer
    x = 5,299.04

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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.