Home / 13,273.27-18,316.94-7,304.78

Finding the Fourth Proportional to 13,273.27, 18,316.94 and 7,304.78

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Solution

The fourth proportional to 13,273.27, 18,316.94 and 7,304.78 is: 10,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.27 : 18,316.94 = 7,304.78 : x
  2. Step 2: Convert to fraction form
    13,273.27/18,316.94 = 7,304.78/x
  3. Step 3: Cross multiply
    13,273.27x = 18,316.94 × 7,304.78
  4. Step 4: Simplify right side
    13,273.27x = 133,801,226.24
  5. Step 5: Solve for x
    x = 133,801,226.24/13,273.27
  6. Step 6: Final answer
    x = 10,080.50

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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.