Home / 10,340.28-15,482.88-7,059.78

Finding the Fourth Proportional to 10,340.28, 15,482.88 and 7,059.78

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Solution

The fourth proportional to 10,340.28, 15,482.88 and 7,059.78 is: 10,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.28 : 15,482.88 = 7,059.78 : x
  2. Step 2: Convert to fraction form
    10,340.28/15,482.88 = 7,059.78/x
  3. Step 3: Cross multiply
    10,340.28x = 15,482.88 × 7,059.78
  4. Step 4: Simplify right side
    10,340.28x = 109,305,726.57
  5. Step 5: Solve for x
    x = 109,305,726.57/10,340.28
  6. Step 6: Final answer
    x = 10,570.87

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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.