Home / 10,972.20-16,458.30-6,306.60

Finding the Fourth Proportional to 10,972.20, 16,458.30 and 6,306.60

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Solution

The fourth proportional to 10,972.20, 16,458.30 and 6,306.60 is: 9,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.20 : 16,458.30 = 6,306.60 : x
  2. Step 2: Convert to fraction form
    10,972.20/16,458.30 = 6,306.60/x
  3. Step 3: Cross multiply
    10,972.20x = 16,458.30 × 6,306.60
  4. Step 4: Simplify right side
    10,972.20x = 103,795,914.78
  5. Step 5: Solve for x
    x = 103,795,914.78/10,972.20
  6. Step 6: Final answer
    x = 9,459.90

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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.