Home / 13,084.26-18,055.89-7,419.55

Finding the Fourth Proportional to 13,084.26, 18,055.89 and 7,419.55

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Solution

The fourth proportional to 13,084.26, 18,055.89 and 7,419.55 is: 10,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.26 : 18,055.89 = 7,419.55 : x
  2. Step 2: Convert to fraction form
    13,084.26/18,055.89 = 7,419.55/x
  3. Step 3: Cross multiply
    13,084.26x = 18,055.89 × 7,419.55
  4. Step 4: Simplify right side
    13,084.26x = 133,966,578.65
  5. Step 5: Solve for x
    x = 133,966,578.65/13,084.26
  6. Step 6: Final answer
    x = 10,238.76

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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.