Home / 10,116.34-15,180.99-4,919.38

Finding the Fourth Proportional to 10,116.34, 15,180.99 and 4,919.38

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Solution

The fourth proportional to 10,116.34, 15,180.99 and 4,919.38 is: 7,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.34 : 15,180.99 = 4,919.38 : x
  2. Step 2: Convert to fraction form
    10,116.34/15,180.99 = 4,919.38/x
  3. Step 3: Cross multiply
    10,116.34x = 15,180.99 × 4,919.38
  4. Step 4: Simplify right side
    10,116.34x = 74,681,058.59
  5. Step 5: Solve for x
    x = 74,681,058.59/10,116.34
  6. Step 6: Final answer
    x = 7,382.22

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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.