Home / 19,299.87-28,960.74-10,974.69

Finding the Fourth Proportional to 19,299.87, 28,960.74 and 10,974.69

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Solution

The fourth proportional to 19,299.87, 28,960.74 and 10,974.69 is: 16,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.87 : 28,960.74 = 10,974.69 : x
  2. Step 2: Convert to fraction form
    19,299.87/28,960.74 = 10,974.69/x
  3. Step 3: Cross multiply
    19,299.87x = 28,960.74 × 10,974.69
  4. Step 4: Simplify right side
    19,299.87x = 317,835,143.67
  5. Step 5: Solve for x
    x = 317,835,143.67/19,299.87
  6. Step 6: Final answer
    x = 16,468.25

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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.