Home / 10,239.75-15,362.06-3,314.25

Finding the Fourth Proportional to 10,239.75, 15,362.06 and 3,314.25

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Solution

The fourth proportional to 10,239.75, 15,362.06 and 3,314.25 is: 4,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.75 : 15,362.06 = 3,314.25 : x
  2. Step 2: Convert to fraction form
    10,239.75/15,362.06 = 3,314.25/x
  3. Step 3: Cross multiply
    10,239.75x = 15,362.06 × 3,314.25
  4. Step 4: Simplify right side
    10,239.75x = 50,913,690.78
  5. Step 5: Solve for x
    x = 50,913,690.78/10,239.75
  6. Step 6: Final answer
    x = 4,972.16

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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.