Home / 11,565.23-15,943.33-7,579.43

Finding the Fourth Proportional to 11,565.23, 15,943.33 and 7,579.43

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Solution

The fourth proportional to 11,565.23, 15,943.33 and 7,579.43 is: 10,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.23 : 15,943.33 = 7,579.43 : x
  2. Step 2: Convert to fraction form
    11,565.23/15,943.33 = 7,579.43/x
  3. Step 3: Cross multiply
    11,565.23x = 15,943.33 × 7,579.43
  4. Step 4: Simplify right side
    11,565.23x = 120,841,353.70
  5. Step 5: Solve for x
    x = 120,841,353.70/11,565.23
  6. Step 6: Final answer
    x = 10,448.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.