Home / 10,469.89-15,703.91-3,449.85

Finding the Fourth Proportional to 10,469.89, 15,703.91 and 3,449.85

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Solution

The fourth proportional to 10,469.89, 15,703.91 and 3,449.85 is: 5,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.89 : 15,703.91 = 3,449.85 : x
  2. Step 2: Convert to fraction form
    10,469.89/15,703.91 = 3,449.85/x
  3. Step 3: Cross multiply
    10,469.89x = 15,703.91 × 3,449.85
  4. Step 4: Simplify right side
    10,469.89x = 54,176,070.71
  5. Step 5: Solve for x
    x = 54,176,070.71/10,469.89
  6. Step 6: Final answer
    x = 5,174.46

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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.