Home / 10,454.76-15,664.46-5,182.68

Finding the Fourth Proportional to 10,454.76, 15,664.46 and 5,182.68

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Solution

The fourth proportional to 10,454.76, 15,664.46 and 5,182.68 is: 7,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.76 : 15,664.46 = 5,182.68 : x
  2. Step 2: Convert to fraction form
    10,454.76/15,664.46 = 5,182.68/x
  3. Step 3: Cross multiply
    10,454.76x = 15,664.46 × 5,182.68
  4. Step 4: Simplify right side
    10,454.76x = 81,183,883.55
  5. Step 5: Solve for x
    x = 81,183,883.55/10,454.76
  6. Step 6: Final answer
    x = 7,765.26

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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.