Home / 11,009.92-15,193.64-6,294.20

Finding the Fourth Proportional to 11,009.92, 15,193.64 and 6,294.20

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Solution

The fourth proportional to 11,009.92, 15,193.64 and 6,294.20 is: 8,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.92 : 15,193.64 = 6,294.20 : x
  2. Step 2: Convert to fraction form
    11,009.92/15,193.64 = 6,294.20/x
  3. Step 3: Cross multiply
    11,009.92x = 15,193.64 × 6,294.20
  4. Step 4: Simplify right side
    11,009.92x = 95,631,808.89
  5. Step 5: Solve for x
    x = 95,631,808.89/11,009.92
  6. Step 6: Final answer
    x = 8,685.97

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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.