Home / 10,217.08-15,326.50-2,821.54

Finding the Fourth Proportional to 10,217.08, 15,326.50 and 2,821.54

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Solution

The fourth proportional to 10,217.08, 15,326.50 and 2,821.54 is: 4,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.08 : 15,326.50 = 2,821.54 : x
  2. Step 2: Convert to fraction form
    10,217.08/15,326.50 = 2,821.54/x
  3. Step 3: Cross multiply
    10,217.08x = 15,326.50 × 2,821.54
  4. Step 4: Simplify right side
    10,217.08x = 43,244,332.81
  5. Step 5: Solve for x
    x = 43,244,332.81/10,217.08
  6. Step 6: Final answer
    x = 4,232.56

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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.