Home / 10,997.87-15,172.34-6,519.23

Finding the Fourth Proportional to 10,997.87, 15,172.34 and 6,519.23

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Solution

The fourth proportional to 10,997.87, 15,172.34 and 6,519.23 is: 8,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.87 : 15,172.34 = 6,519.23 : x
  2. Step 2: Convert to fraction form
    10,997.87/15,172.34 = 6,519.23/x
  3. Step 3: Cross multiply
    10,997.87x = 15,172.34 × 6,519.23
  4. Step 4: Simplify right side
    10,997.87x = 98,911,865.64
  5. Step 5: Solve for x
    x = 98,911,865.64/10,997.87
  6. Step 6: Final answer
    x = 8,993.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.