Home / 10,448.39-15,672.08-3,427.52

Finding the Fourth Proportional to 10,448.39, 15,672.08 and 3,427.52

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Solution

The fourth proportional to 10,448.39, 15,672.08 and 3,427.52 is: 5,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.39 : 15,672.08 = 3,427.52 : x
  2. Step 2: Convert to fraction form
    10,448.39/15,672.08 = 3,427.52/x
  3. Step 3: Cross multiply
    10,448.39x = 15,672.08 × 3,427.52
  4. Step 4: Simplify right side
    10,448.39x = 53,716,297.85
  5. Step 5: Solve for x
    x = 53,716,297.85/10,448.39
  6. Step 6: Final answer
    x = 5,141.11

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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.