Home / 10,290.48-15,433.56-3,363.36

Finding the Fourth Proportional to 10,290.48, 15,433.56 and 3,363.36

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Solution

The fourth proportional to 10,290.48, 15,433.56 and 3,363.36 is: 5,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.48 : 15,433.56 = 3,363.36 : x
  2. Step 2: Convert to fraction form
    10,290.48/15,433.56 = 3,363.36/x
  3. Step 3: Cross multiply
    10,290.48x = 15,433.56 × 3,363.36
  4. Step 4: Simplify right side
    10,290.48x = 51,908,618.36
  5. Step 5: Solve for x
    x = 51,908,618.36/10,290.48
  6. Step 6: Final answer
    x = 5,044.33

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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.