Home / 10,972.26-16,455.06-9,217.80

Finding the Fourth Proportional to 10,972.26, 16,455.06 and 9,217.80

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Solution

The fourth proportional to 10,972.26, 16,455.06 and 9,217.80 is: 13,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.26 : 16,455.06 = 9,217.80 : x
  2. Step 2: Convert to fraction form
    10,972.26/16,455.06 = 9,217.80/x
  3. Step 3: Cross multiply
    10,972.26x = 16,455.06 × 9,217.80
  4. Step 4: Simplify right side
    10,972.26x = 151,679,452.07
  5. Step 5: Solve for x
    x = 151,679,452.07/10,972.26
  6. Step 6: Final answer
    x = 13,823.90

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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.