Home / 10,480.20-15,719.58-3,903.36

Finding the Fourth Proportional to 10,480.20, 15,719.58 and 3,903.36

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Solution

The fourth proportional to 10,480.20, 15,719.58 and 3,903.36 is: 5,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.20 : 15,719.58 = 3,903.36 : x
  2. Step 2: Convert to fraction form
    10,480.20/15,719.58 = 3,903.36/x
  3. Step 3: Cross multiply
    10,480.20x = 15,719.58 × 3,903.36
  4. Step 4: Simplify right side
    10,480.20x = 61,359,179.79
  5. Step 5: Solve for x
    x = 61,359,179.79/10,480.20
  6. Step 6: Final answer
    x = 5,854.77

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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.