Home / 11,079.75-15,289.92-6,363.66

Finding the Fourth Proportional to 11,079.75, 15,289.92 and 6,363.66

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Solution

The fourth proportional to 11,079.75, 15,289.92 and 6,363.66 is: 8,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.75 : 15,289.92 = 6,363.66 : x
  2. Step 2: Convert to fraction form
    11,079.75/15,289.92 = 6,363.66/x
  3. Step 3: Cross multiply
    11,079.75x = 15,289.92 × 6,363.66
  4. Step 4: Simplify right side
    11,079.75x = 97,299,852.31
  5. Step 5: Solve for x
    x = 97,299,852.31/11,079.75
  6. Step 6: Final answer
    x = 8,781.77

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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.