Home / 11,110.75-15,332.21-6,074.03

Finding the Fourth Proportional to 11,110.75, 15,332.21 and 6,074.03

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Solution

The fourth proportional to 11,110.75, 15,332.21 and 6,074.03 is: 8,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.75 : 15,332.21 = 6,074.03 : x
  2. Step 2: Convert to fraction form
    11,110.75/15,332.21 = 6,074.03/x
  3. Step 3: Cross multiply
    11,110.75x = 15,332.21 × 6,074.03
  4. Step 4: Simplify right side
    11,110.75x = 93,128,311.47
  5. Step 5: Solve for x
    x = 93,128,311.47/11,110.75
  6. Step 6: Final answer
    x = 8,381.82

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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.