Home / 12,569.09-18,836.62-4,773.65

Finding the Fourth Proportional to 12,569.09, 18,836.62 and 4,773.65

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Solution

The fourth proportional to 12,569.09, 18,836.62 and 4,773.65 is: 7,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.09 : 18,836.62 = 4,773.65 : x
  2. Step 2: Convert to fraction form
    12,569.09/18,836.62 = 4,773.65/x
  3. Step 3: Cross multiply
    12,569.09x = 18,836.62 × 4,773.65
  4. Step 4: Simplify right side
    12,569.09x = 89,919,324.95
  5. Step 5: Solve for x
    x = 89,919,324.95/12,569.09
  6. Step 6: Final answer
    x = 7,154.01

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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.