Home / 10,343.07-15,517.02-2,947.62

Finding the Fourth Proportional to 10,343.07, 15,517.02 and 2,947.62

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Solution

The fourth proportional to 10,343.07, 15,517.02 and 2,947.62 is: 4,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.07 : 15,517.02 = 2,947.62 : x
  2. Step 2: Convert to fraction form
    10,343.07/15,517.02 = 2,947.62/x
  3. Step 3: Cross multiply
    10,343.07x = 15,517.02 × 2,947.62
  4. Step 4: Simplify right side
    10,343.07x = 45,738,278.49
  5. Step 5: Solve for x
    x = 45,738,278.49/10,343.07
  6. Step 6: Final answer
    x = 4,422.12

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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.