Home / 10,343.28-15,515.39-2,948.25

Finding the Fourth Proportional to 10,343.28, 15,515.39 and 2,948.25

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Solution

The fourth proportional to 10,343.28, 15,515.39 and 2,948.25 is: 4,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.28 : 15,515.39 = 2,948.25 : x
  2. Step 2: Convert to fraction form
    10,343.28/15,515.39 = 2,948.25/x
  3. Step 3: Cross multiply
    10,343.28x = 15,515.39 × 2,948.25
  4. Step 4: Simplify right side
    10,343.28x = 45,743,233.83
  5. Step 5: Solve for x
    x = 45,743,233.83/10,343.28
  6. Step 6: Final answer
    x = 4,422.51

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1.5x scale

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.