Home / 10,373.90-15,556.17-2,976.68

Finding the Fourth Proportional to 10,373.90, 15,556.17 and 2,976.68

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Solution

The fourth proportional to 10,373.90, 15,556.17 and 2,976.68 is: 4,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.90 : 15,556.17 = 2,976.68 : x
  2. Step 2: Convert to fraction form
    10,373.90/15,556.17 = 2,976.68/x
  3. Step 3: Cross multiply
    10,373.90x = 15,556.17 × 2,976.68
  4. Step 4: Simplify right side
    10,373.90x = 46,305,740.12
  5. Step 5: Solve for x
    x = 46,305,740.12/10,373.90
  6. Step 6: Final answer
    x = 4,463.68

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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.