Home / 10,217.39-15,326.01-2,821.91

Finding the Fourth Proportional to 10,217.39, 15,326.01 and 2,821.91

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Solution

The fourth proportional to 10,217.39, 15,326.01 and 2,821.91 is: 4,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.39 : 15,326.01 = 2,821.91 : x
  2. Step 2: Convert to fraction form
    10,217.39/15,326.01 = 2,821.91/x
  3. Step 3: Cross multiply
    10,217.39x = 15,326.01 × 2,821.91
  4. Step 4: Simplify right side
    10,217.39x = 43,248,544.25
  5. Step 5: Solve for x
    x = 43,248,544.25/10,217.39
  6. Step 6: Final answer
    x = 4,232.84

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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.