Home / 13,314.80-19,974.60-5,524.40

Finding the Fourth Proportional to 13,314.80, 19,974.60 and 5,524.40

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Solution

The fourth proportional to 13,314.80, 19,974.60 and 5,524.40 is: 8,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.80 : 19,974.60 = 5,524.40 : x
  2. Step 2: Convert to fraction form
    13,314.80/19,974.60 = 5,524.40/x
  3. Step 3: Cross multiply
    13,314.80x = 19,974.60 × 5,524.40
  4. Step 4: Simplify right side
    13,314.80x = 110,347,680.24
  5. Step 5: Solve for x
    x = 110,347,680.24/13,314.80
  6. Step 6: Final answer
    x = 8,287.60

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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.