Home / 10,127.90-15,192-3,554.14

Finding the Fourth Proportional to 10,127.90, 15,192 and 3,554.14

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Solution

The fourth proportional to 10,127.90, 15,192 and 3,554.14 is: 5,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.90 : 15,192 = 3,554.14 : x
  2. Step 2: Convert to fraction form
    10,127.90/15,192 = 3,554.14/x
  3. Step 3: Cross multiply
    10,127.90x = 15,192 × 3,554.14
  4. Step 4: Simplify right side
    10,127.90x = 53,994,494.88
  5. Step 5: Solve for x
    x = 53,994,494.88/10,127.90
  6. Step 6: Final answer
    x = 5,331.26

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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.