Home / 10,310.13-15,465.20-2,518.88

Finding the Fourth Proportional to 10,310.13, 15,465.20 and 2,518.88

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Solution

The fourth proportional to 10,310.13, 15,465.20 and 2,518.88 is: 3,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.13 : 15,465.20 = 2,518.88 : x
  2. Step 2: Convert to fraction form
    10,310.13/15,465.20 = 2,518.88/x
  3. Step 3: Cross multiply
    10,310.13x = 15,465.20 × 2,518.88
  4. Step 4: Simplify right side
    10,310.13x = 38,954,893.06
  5. Step 5: Solve for x
    x = 38,954,893.06/10,310.13
  6. Step 6: Final answer
    x = 3,778.31

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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.