Home / 11,409.95-15,744.16-6,373.54

Finding the Fourth Proportional to 11,409.95, 15,744.16 and 6,373.54

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Solution

The fourth proportional to 11,409.95, 15,744.16 and 6,373.54 is: 8,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.95 : 15,744.16 = 6,373.54 : x
  2. Step 2: Convert to fraction form
    11,409.95/15,744.16 = 6,373.54/x
  3. Step 3: Cross multiply
    11,409.95x = 15,744.16 × 6,373.54
  4. Step 4: Simplify right side
    11,409.95x = 100,346,061.17
  5. Step 5: Solve for x
    x = 100,346,061.17/11,409.95
  6. Step 6: Final answer
    x = 8,794.61

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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.