Home / 10,559.36-15,839.16-2,768.96

Finding the Fourth Proportional to 10,559.36, 15,839.16 and 2,768.96

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Solution

The fourth proportional to 10,559.36, 15,839.16 and 2,768.96 is: 4,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.36 : 15,839.16 = 2,768.96 : x
  2. Step 2: Convert to fraction form
    10,559.36/15,839.16 = 2,768.96/x
  3. Step 3: Cross multiply
    10,559.36x = 15,839.16 × 2,768.96
  4. Step 4: Simplify right side
    10,559.36x = 43,858,000.47
  5. Step 5: Solve for x
    x = 43,858,000.47/10,559.36
  6. Step 6: Final answer
    x = 4,153.47

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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.