Home / 12,351.32-18,513.71-5,334.65

Finding the Fourth Proportional to 12,351.32, 18,513.71 and 5,334.65

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Solution

The fourth proportional to 12,351.32, 18,513.71 and 5,334.65 is: 7,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.32 : 18,513.71 = 5,334.65 : x
  2. Step 2: Convert to fraction form
    12,351.32/18,513.71 = 5,334.65/x
  3. Step 3: Cross multiply
    12,351.32x = 18,513.71 × 5,334.65
  4. Step 4: Simplify right side
    12,351.32x = 98,764,136.38
  5. Step 5: Solve for x
    x = 98,764,136.38/12,351.32
  6. Step 6: Final answer
    x = 7,996.24

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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.