Home / 10,329.11-15,488.90-3,307.83

Finding the Fourth Proportional to 10,329.11, 15,488.90 and 3,307.83

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Solution

The fourth proportional to 10,329.11, 15,488.90 and 3,307.83 is: 4,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.11 : 15,488.90 = 3,307.83 : x
  2. Step 2: Convert to fraction form
    10,329.11/15,488.90 = 3,307.83/x
  3. Step 3: Cross multiply
    10,329.11x = 15,488.90 × 3,307.83
  4. Step 4: Simplify right side
    10,329.11x = 51,234,648.09
  5. Step 5: Solve for x
    x = 51,234,648.09/10,329.11
  6. Step 6: Final answer
    x = 4,960.22

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1.5x scale

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.