Home / 10,865.92-14,996.57-6,887.39

Finding the Fourth Proportional to 10,865.92, 14,996.57 and 6,887.39

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Solution

The fourth proportional to 10,865.92, 14,996.57 and 6,887.39 is: 9,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.92 : 14,996.57 = 6,887.39 : x
  2. Step 2: Convert to fraction form
    10,865.92/14,996.57 = 6,887.39/x
  3. Step 3: Cross multiply
    10,865.92x = 14,996.57 × 6,887.39
  4. Step 4: Simplify right side
    10,865.92x = 103,287,226.25
  5. Step 5: Solve for x
    x = 103,287,226.25/10,865.92
  6. Step 6: Final answer
    x = 9,505.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.