Home / 10,928.07-16,388.33-6,761.70

Finding the Fourth Proportional to 10,928.07, 16,388.33 and 6,761.70

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Solution

The fourth proportional to 10,928.07, 16,388.33 and 6,761.70 is: 10,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.07 : 16,388.33 = 6,761.70 : x
  2. Step 2: Convert to fraction form
    10,928.07/16,388.33 = 6,761.70/x
  3. Step 3: Cross multiply
    10,928.07x = 16,388.33 × 6,761.70
  4. Step 4: Simplify right side
    10,928.07x = 110,812,937.15
  5. Step 5: Solve for x
    x = 110,812,937.15/10,928.07
  6. Step 6: Final answer
    x = 10,140.21

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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.