Home / 10,512.74-15,760.58-4,275.68

Finding the Fourth Proportional to 10,512.74, 15,760.58 and 4,275.68

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Solution

The fourth proportional to 10,512.74, 15,760.58 and 4,275.68 is: 6,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.74 : 15,760.58 = 4,275.68 : x
  2. Step 2: Convert to fraction form
    10,512.74/15,760.58 = 4,275.68/x
  3. Step 3: Cross multiply
    10,512.74x = 15,760.58 × 4,275.68
  4. Step 4: Simplify right side
    10,512.74x = 67,387,096.51
  5. Step 5: Solve for x
    x = 67,387,096.51/10,512.74
  6. Step 6: Final answer
    x = 6,410.04

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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.