Home / 10,433.44-15,630.96-5,239.20

Finding the Fourth Proportional to 10,433.44, 15,630.96 and 5,239.20

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Solution

The fourth proportional to 10,433.44, 15,630.96 and 5,239.20 is: 7,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.44 : 15,630.96 = 5,239.20 : x
  2. Step 2: Convert to fraction form
    10,433.44/15,630.96 = 5,239.20/x
  3. Step 3: Cross multiply
    10,433.44x = 15,630.96 × 5,239.20
  4. Step 4: Simplify right side
    10,433.44x = 81,893,725.63
  5. Step 5: Solve for x
    x = 81,893,725.63/10,433.44
  6. Step 6: Final answer
    x = 7,849.16

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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.