Home / 10,268.78-15,402.98-2,873.12

Finding the Fourth Proportional to 10,268.78, 15,402.98 and 2,873.12

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Solution

The fourth proportional to 10,268.78, 15,402.98 and 2,873.12 is: 4,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.78 : 15,402.98 = 2,873.12 : x
  2. Step 2: Convert to fraction form
    10,268.78/15,402.98 = 2,873.12/x
  3. Step 3: Cross multiply
    10,268.78x = 15,402.98 × 2,873.12
  4. Step 4: Simplify right side
    10,268.78x = 44,254,540.07
  5. Step 5: Solve for x
    x = 44,254,540.07/10,268.78
  6. Step 6: Final answer
    x = 4,309.62

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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.