Home / 15,172.11-22,758.03-6,405.75

Finding the Fourth Proportional to 15,172.11, 22,758.03 and 6,405.75

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Solution

The fourth proportional to 15,172.11, 22,758.03 and 6,405.75 is: 9,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.11 : 22,758.03 = 6,405.75 : x
  2. Step 2: Convert to fraction form
    15,172.11/22,758.03 = 6,405.75/x
  3. Step 3: Cross multiply
    15,172.11x = 22,758.03 × 6,405.75
  4. Step 4: Simplify right side
    15,172.11x = 145,782,250.67
  5. Step 5: Solve for x
    x = 145,782,250.67/15,172.11
  6. Step 6: Final answer
    x = 9,608.57

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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.