Home / 10,879.08-15,011.70-6,893.16

Finding the Fourth Proportional to 10,879.08, 15,011.70 and 6,893.16

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Solution

The fourth proportional to 10,879.08, 15,011.70 and 6,893.16 is: 9,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.08 : 15,011.70 = 6,893.16 : x
  2. Step 2: Convert to fraction form
    10,879.08/15,011.70 = 6,893.16/x
  3. Step 3: Cross multiply
    10,879.08x = 15,011.70 × 6,893.16
  4. Step 4: Simplify right side
    10,879.08x = 103,478,049.97
  5. Step 5: Solve for x
    x = 103,478,049.97/10,879.08
  6. Step 6: Final answer
    x = 9,511.65

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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.