Home / 10,369.81-15,554.77-2,578.62

Finding the Fourth Proportional to 10,369.81, 15,554.77 and 2,578.62

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Solution

The fourth proportional to 10,369.81, 15,554.77 and 2,578.62 is: 3,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.81 : 15,554.77 = 2,578.62 : x
  2. Step 2: Convert to fraction form
    10,369.81/15,554.77 = 2,578.62/x
  3. Step 3: Cross multiply
    10,369.81x = 15,554.77 × 2,578.62
  4. Step 4: Simplify right side
    10,369.81x = 40,109,750.35
  5. Step 5: Solve for x
    x = 40,109,750.35/10,369.81
  6. Step 6: Final answer
    x = 3,867.94

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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.