Home / 10,019.76-15,029.88-3,446.28

Finding the Fourth Proportional to 10,019.76, 15,029.88 and 3,446.28

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Solution

The fourth proportional to 10,019.76, 15,029.88 and 3,446.28 is: 5,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.76 : 15,029.88 = 3,446.28 : x
  2. Step 2: Convert to fraction form
    10,019.76/15,029.88 = 3,446.28/x
  3. Step 3: Cross multiply
    10,019.76x = 15,029.88 × 3,446.28
  4. Step 4: Simplify right side
    10,019.76x = 51,797,174.85
  5. Step 5: Solve for x
    x = 51,797,174.85/10,019.76
  6. Step 6: Final answer
    x = 5,169.50

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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.