Home / 10,257.89-15,389.25-3,332.39

Finding the Fourth Proportional to 10,257.89, 15,389.25 and 3,332.39

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Solution

The fourth proportional to 10,257.89, 15,389.25 and 3,332.39 is: 4,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.89 : 15,389.25 = 3,332.39 : x
  2. Step 2: Convert to fraction form
    10,257.89/15,389.25 = 3,332.39/x
  3. Step 3: Cross multiply
    10,257.89x = 15,389.25 × 3,332.39
  4. Step 4: Simplify right side
    10,257.89x = 51,282,982.81
  5. Step 5: Solve for x
    x = 51,282,982.81/10,257.89
  6. Step 6: Final answer
    x = 4,999.37

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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.