Home / 10,329.76-15,494.28-3,309.67

Finding the Fourth Proportional to 10,329.76, 15,494.28 and 3,309.67

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Solution

The fourth proportional to 10,329.76, 15,494.28 and 3,309.67 is: 4,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.76 : 15,494.28 = 3,309.67 : x
  2. Step 2: Convert to fraction form
    10,329.76/15,494.28 = 3,309.67/x
  3. Step 3: Cross multiply
    10,329.76x = 15,494.28 × 3,309.67
  4. Step 4: Simplify right side
    10,329.76x = 51,280,953.69
  5. Step 5: Solve for x
    x = 51,280,953.69/10,329.76
  6. Step 6: Final answer
    x = 4,964.39

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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.