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Finding the Fourth Proportional to 10,012, 15,018 and 4,540

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Solution

The fourth proportional to 10,012, 15,018 and 4,540 is: 6,810

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012 : 15,018 = 4,540 : x
  2. Step 2: Convert to fraction form
    10,012/15,018 = 4,540/x
  3. Step 3: Cross multiply
    10,012x = 15,018 × 4,540
  4. Step 4: Simplify right side
    10,012x = 68,181,720
  5. Step 5: Solve for x
    x = 68,181,720/10,012
  6. Step 6: Final answer
    x = 6,810

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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.