Home / 10,917.08-15,064.92-6,441

Finding the Fourth Proportional to 10,917.08, 15,064.92 and 6,441

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Solution

The fourth proportional to 10,917.08, 15,064.92 and 6,441 is: 8,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.08 : 15,064.92 = 6,441 : x
  2. Step 2: Convert to fraction form
    10,917.08/15,064.92 = 6,441/x
  3. Step 3: Cross multiply
    10,917.08x = 15,064.92 × 6,441
  4. Step 4: Simplify right side
    10,917.08x = 97,033,149.72
  5. Step 5: Solve for x
    x = 97,033,149.72/10,917.08
  6. Step 6: Final answer
    x = 8,888.20

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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.