Home / 10,154.22-15,229.58-2,759.28

Finding the Fourth Proportional to 10,154.22, 15,229.58 and 2,759.28

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Solution

The fourth proportional to 10,154.22, 15,229.58 and 2,759.28 is: 4,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.22 : 15,229.58 = 2,759.28 : x
  2. Step 2: Convert to fraction form
    10,154.22/15,229.58 = 2,759.28/x
  3. Step 3: Cross multiply
    10,154.22x = 15,229.58 × 2,759.28
  4. Step 4: Simplify right side
    10,154.22x = 42,022,661.71
  5. Step 5: Solve for x
    x = 42,022,661.71/10,154.22
  6. Step 6: Final answer
    x = 4,138.44

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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.