Home / 10,488.78-15,729.75-3,467.16

Finding the Fourth Proportional to 10,488.78, 15,729.75 and 3,467.16

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Solution

The fourth proportional to 10,488.78, 15,729.75 and 3,467.16 is: 5,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.78 : 15,729.75 = 3,467.16 : x
  2. Step 2: Convert to fraction form
    10,488.78/15,729.75 = 3,467.16/x
  3. Step 3: Cross multiply
    10,488.78x = 15,729.75 × 3,467.16
  4. Step 4: Simplify right side
    10,488.78x = 54,537,560.01
  5. Step 5: Solve for x
    x = 54,537,560.01/10,488.78
  6. Step 6: Final answer
    x = 5,199.61

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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.