Home / 13,296.82-18,350.04-7,328.71

Finding the Fourth Proportional to 13,296.82, 18,350.04 and 7,328.71

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Solution

The fourth proportional to 13,296.82, 18,350.04 and 7,328.71 is: 10,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.82 : 18,350.04 = 7,328.71 : x
  2. Step 2: Convert to fraction form
    13,296.82/18,350.04 = 7,328.71/x
  3. Step 3: Cross multiply
    13,296.82x = 18,350.04 × 7,328.71
  4. Step 4: Simplify right side
    13,296.82x = 134,482,121.65
  5. Step 5: Solve for x
    x = 134,482,121.65/13,296.82
  6. Step 6: Final answer
    x = 10,113.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.