Home / 11,409.19-15,742.75-6,373.23

Finding the Fourth Proportional to 11,409.19, 15,742.75 and 6,373.23

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Solution

The fourth proportional to 11,409.19, 15,742.75 and 6,373.23 is: 8,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.19 : 15,742.75 = 6,373.23 : x
  2. Step 2: Convert to fraction form
    11,409.19/15,742.75 = 6,373.23/x
  3. Step 3: Cross multiply
    11,409.19x = 15,742.75 × 6,373.23
  4. Step 4: Simplify right side
    11,409.19x = 100,332,166.58
  5. Step 5: Solve for x
    x = 100,332,166.58/11,409.19
  6. Step 6: Final answer
    x = 8,793.98

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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.