Home / 10,441.19-15,640.92-6,278.92

Finding the Fourth Proportional to 10,441.19, 15,640.92 and 6,278.92

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Solution

The fourth proportional to 10,441.19, 15,640.92 and 6,278.92 is: 9,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.19 : 15,640.92 = 6,278.92 : x
  2. Step 2: Convert to fraction form
    10,441.19/15,640.92 = 6,278.92/x
  3. Step 3: Cross multiply
    10,441.19x = 15,640.92 × 6,278.92
  4. Step 4: Simplify right side
    10,441.19x = 98,208,085.41
  5. Step 5: Solve for x
    x = 98,208,085.41/10,441.19
  6. Step 6: Final answer
    x = 9,405.83

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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.