Home / 15,418.90-23,127.16-4,325

Finding the Fourth Proportional to 15,418.90, 23,127.16 and 4,325

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Solution

The fourth proportional to 15,418.90, 23,127.16 and 4,325 is: 6,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.90 : 23,127.16 = 4,325 : x
  2. Step 2: Convert to fraction form
    15,418.90/23,127.16 = 4,325/x
  3. Step 3: Cross multiply
    15,418.90x = 23,127.16 × 4,325
  4. Step 4: Simplify right side
    15,418.90x = 100,024,967
  5. Step 5: Solve for x
    x = 100,024,967/15,418.90
  6. Step 6: Final answer
    x = 6,487.17

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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.