Home / 13,369.75-20,074.33-7,458.18

Finding the Fourth Proportional to 13,369.75, 20,074.33 and 7,458.18

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Solution

The fourth proportional to 13,369.75, 20,074.33 and 7,458.18 is: 11,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.75 : 20,074.33 = 7,458.18 : x
  2. Step 2: Convert to fraction form
    13,369.75/20,074.33 = 7,458.18/x
  3. Step 3: Cross multiply
    13,369.75x = 20,074.33 × 7,458.18
  4. Step 4: Simplify right side
    13,369.75x = 149,717,966.52
  5. Step 5: Solve for x
    x = 149,717,966.52/13,369.75
  6. Step 6: Final answer
    x = 11,198.26

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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.