Home / 10,172.68-15,259.01-4,974.91

Finding the Fourth Proportional to 10,172.68, 15,259.01 and 4,974.91

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Solution

The fourth proportional to 10,172.68, 15,259.01 and 4,974.91 is: 7,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.68 : 15,259.01 = 4,974.91 : x
  2. Step 2: Convert to fraction form
    10,172.68/15,259.01 = 4,974.91/x
  3. Step 3: Cross multiply
    10,172.68x = 15,259.01 × 4,974.91
  4. Step 4: Simplify right side
    10,172.68x = 75,912,201.44
  5. Step 5: Solve for x
    x = 75,912,201.44/10,172.68
  6. Step 6: Final answer
    x = 7,462.36

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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.