Home / 10,217.36-15,326.07-2,821.65

Finding the Fourth Proportional to 10,217.36, 15,326.07 and 2,821.65

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Solution

The fourth proportional to 10,217.36, 15,326.07 and 2,821.65 is: 4,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.36 : 15,326.07 = 2,821.65 : x
  2. Step 2: Convert to fraction form
    10,217.36/15,326.07 = 2,821.65/x
  3. Step 3: Cross multiply
    10,217.36x = 15,326.07 × 2,821.65
  4. Step 4: Simplify right side
    10,217.36x = 43,244,794.83
  5. Step 5: Solve for x
    x = 43,244,794.83/10,217.36
  6. Step 6: Final answer
    x = 4,232.48

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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.