Home / 10,328.86-15,494.31-3,307.11

Finding the Fourth Proportional to 10,328.86, 15,494.31 and 3,307.11

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Solution

The fourth proportional to 10,328.86, 15,494.31 and 3,307.11 is: 4,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.86 : 15,494.31 = 3,307.11 : x
  2. Step 2: Convert to fraction form
    10,328.86/15,494.31 = 3,307.11/x
  3. Step 3: Cross multiply
    10,328.86x = 15,494.31 × 3,307.11
  4. Step 4: Simplify right side
    10,328.86x = 51,241,329.44
  5. Step 5: Solve for x
    x = 51,241,329.44/10,328.86
  6. Step 6: Final answer
    x = 4,960.99

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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.