Home / 11,729.52-16,188.84-7,014.24

Finding the Fourth Proportional to 11,729.52, 16,188.84 and 7,014.24

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Solution

The fourth proportional to 11,729.52, 16,188.84 and 7,014.24 is: 9,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.52 : 16,188.84 = 7,014.24 : x
  2. Step 2: Convert to fraction form
    11,729.52/16,188.84 = 7,014.24/x
  3. Step 3: Cross multiply
    11,729.52x = 16,188.84 × 7,014.24
  4. Step 4: Simplify right side
    11,729.52x = 113,552,409.08
  5. Step 5: Solve for x
    x = 113,552,409.08/11,729.52
  6. Step 6: Final answer
    x = 9,680.91

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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.