Home / 10,480.32-15,717.24-3,458.76

Finding the Fourth Proportional to 10,480.32, 15,717.24 and 3,458.76

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Solution

The fourth proportional to 10,480.32, 15,717.24 and 3,458.76 is: 5,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.32 : 15,717.24 = 3,458.76 : x
  2. Step 2: Convert to fraction form
    10,480.32/15,717.24 = 3,458.76/x
  3. Step 3: Cross multiply
    10,480.32x = 15,717.24 × 3,458.76
  4. Step 4: Simplify right side
    10,480.32x = 54,362,161.02
  5. Step 5: Solve for x
    x = 54,362,161.02/10,480.32
  6. Step 6: Final answer
    x = 5,187.07

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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.