Home / 11,409.32-15,744.70-6,373.61

Finding the Fourth Proportional to 11,409.32, 15,744.70 and 6,373.61

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Solution

The fourth proportional to 11,409.32, 15,744.70 and 6,373.61 is: 8,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.32 : 15,744.70 = 6,373.61 : x
  2. Step 2: Convert to fraction form
    11,409.32/15,744.70 = 6,373.61/x
  3. Step 3: Cross multiply
    11,409.32x = 15,744.70 × 6,373.61
  4. Step 4: Simplify right side
    11,409.32x = 100,350,577.37
  5. Step 5: Solve for x
    x = 100,350,577.37/11,409.32
  6. Step 6: Final answer
    x = 8,795.49

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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.