Home / 10,104.67-15,158.22-5,172.99

Finding the Fourth Proportional to 10,104.67, 15,158.22 and 5,172.99

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Solution

The fourth proportional to 10,104.67, 15,158.22 and 5,172.99 is: 7,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.67 : 15,158.22 = 5,172.99 : x
  2. Step 2: Convert to fraction form
    10,104.67/15,158.22 = 5,172.99/x
  3. Step 3: Cross multiply
    10,104.67x = 15,158.22 × 5,172.99
  4. Step 4: Simplify right side
    10,104.67x = 78,413,320.48
  5. Step 5: Solve for x
    x = 78,413,320.48/10,104.67
  6. Step 6: Final answer
    x = 7,760.11

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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.