Home / 14,618.78-21,929.55-4,088.79

Finding the Fourth Proportional to 14,618.78, 21,929.55 and 4,088.79

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Solution

The fourth proportional to 14,618.78, 21,929.55 and 4,088.79 is: 6,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.78 : 21,929.55 = 4,088.79 : x
  2. Step 2: Convert to fraction form
    14,618.78/21,929.55 = 4,088.79/x
  3. Step 3: Cross multiply
    14,618.78x = 21,929.55 × 4,088.79
  4. Step 4: Simplify right side
    14,618.78x = 89,665,391.65
  5. Step 5: Solve for x
    x = 89,665,391.65/14,618.78
  6. Step 6: Final answer
    x = 6,133.58

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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.