Home / 10,467.76-15,699.21-3,897.04

Finding the Fourth Proportional to 10,467.76, 15,699.21 and 3,897.04

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Solution

The fourth proportional to 10,467.76, 15,699.21 and 3,897.04 is: 5,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.76 : 15,699.21 = 3,897.04 : x
  2. Step 2: Convert to fraction form
    10,467.76/15,699.21 = 3,897.04/x
  3. Step 3: Cross multiply
    10,467.76x = 15,699.21 × 3,897.04
  4. Step 4: Simplify right side
    10,467.76x = 61,180,449.34
  5. Step 5: Solve for x
    x = 61,180,449.34/10,467.76
  6. Step 6: Final answer
    x = 5,844.66

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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.