Home / 10,811.62-16,209.52-7,292.88

Finding the Fourth Proportional to 10,811.62, 16,209.52 and 7,292.88

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Solution

The fourth proportional to 10,811.62, 16,209.52 and 7,292.88 is: 10,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.62 : 16,209.52 = 7,292.88 : x
  2. Step 2: Convert to fraction form
    10,811.62/16,209.52 = 7,292.88/x
  3. Step 3: Cross multiply
    10,811.62x = 16,209.52 × 7,292.88
  4. Step 4: Simplify right side
    10,811.62x = 118,214,084.22
  5. Step 5: Solve for x
    x = 118,214,084.22/10,811.62
  6. Step 6: Final answer
    x = 10,933.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.