Home / 9,519.68-13,136.85-5,270.92

Finding the Fourth Proportional to 9,519.68, 13,136.85 and 5,270.92

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Solution

The fourth proportional to 9,519.68, 13,136.85 and 5,270.92 is: 7,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.68 : 13,136.85 = 5,270.92 : x
  2. Step 2: Convert to fraction form
    9,519.68/13,136.85 = 5,270.92/x
  3. Step 3: Cross multiply
    9,519.68x = 13,136.85 × 5,270.92
  4. Step 4: Simplify right side
    9,519.68x = 69,243,252.56
  5. Step 5: Solve for x
    x = 69,243,252.56/9,519.68
  6. Step 6: Final answer
    x = 7,273.69

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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.