Home / 10,359.38-15,538.94-2,568.12

Finding the Fourth Proportional to 10,359.38, 15,538.94 and 2,568.12

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Solution

The fourth proportional to 10,359.38, 15,538.94 and 2,568.12 is: 3,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.38 : 15,538.94 = 2,568.12 : x
  2. Step 2: Convert to fraction form
    10,359.38/15,538.94 = 2,568.12/x
  3. Step 3: Cross multiply
    10,359.38x = 15,538.94 × 2,568.12
  4. Step 4: Simplify right side
    10,359.38x = 39,905,862.59
  5. Step 5: Solve for x
    x = 39,905,862.59/10,359.38
  6. Step 6: Final answer
    x = 3,852.15

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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.