Home / 18,767.04-28,152.16-4,916

Finding the Fourth Proportional to 18,767.04, 28,152.16 and 4,916

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Solution

The fourth proportional to 18,767.04, 28,152.16 and 4,916 is: 7,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.04 : 28,152.16 = 4,916 : x
  2. Step 2: Convert to fraction form
    18,767.04/28,152.16 = 4,916/x
  3. Step 3: Cross multiply
    18,767.04x = 28,152.16 × 4,916
  4. Step 4: Simplify right side
    18,767.04x = 138,396,018.56
  5. Step 5: Solve for x
    x = 138,396,018.56/18,767.04
  6. Step 6: Final answer
    x = 7,374.42

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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.