Home / 18,035.28-24,883.20-10,959.12

Finding the Fourth Proportional to 18,035.28, 24,883.20 and 10,959.12

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Solution

The fourth proportional to 18,035.28, 24,883.20 and 10,959.12 is: 15,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.28 : 24,883.20 = 10,959.12 : x
  2. Step 2: Convert to fraction form
    18,035.28/24,883.20 = 10,959.12/x
  3. Step 3: Cross multiply
    18,035.28x = 24,883.20 × 10,959.12
  4. Step 4: Simplify right side
    18,035.28x = 272,697,974.78
  5. Step 5: Solve for x
    x = 272,697,974.78/18,035.28
  6. Step 6: Final answer
    x = 15,120.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.