Home / 10,887.50-16,331.33-2,679.50

Finding the Fourth Proportional to 10,887.50, 16,331.33 and 2,679.50

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Solution

The fourth proportional to 10,887.50, 16,331.33 and 2,679.50 is: 4,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.50 : 16,331.33 = 2,679.50 : x
  2. Step 2: Convert to fraction form
    10,887.50/16,331.33 = 2,679.50/x
  3. Step 3: Cross multiply
    10,887.50x = 16,331.33 × 2,679.50
  4. Step 4: Simplify right side
    10,887.50x = 43,759,798.74
  5. Step 5: Solve for x
    x = 43,759,798.74/10,887.50
  6. Step 6: Final answer
    x = 4,019.27

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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.