Home / 11,449.80-17,174.70-8,854.60

Finding the Fourth Proportional to 11,449.80, 17,174.70 and 8,854.60

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Solution

The fourth proportional to 11,449.80, 17,174.70 and 8,854.60 is: 13,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.80 : 17,174.70 = 8,854.60 : x
  2. Step 2: Convert to fraction form
    11,449.80/17,174.70 = 8,854.60/x
  3. Step 3: Cross multiply
    11,449.80x = 17,174.70 × 8,854.60
  4. Step 4: Simplify right side
    11,449.80x = 152,075,098.62
  5. Step 5: Solve for x
    x = 152,075,098.62/11,449.80
  6. Step 6: Final answer
    x = 13,281.90

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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.