Home / 13,326.07-18,390.01-7,357.75

Finding the Fourth Proportional to 13,326.07, 18,390.01 and 7,357.75

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Solution

The fourth proportional to 13,326.07, 18,390.01 and 7,357.75 is: 10,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.07 : 18,390.01 = 7,357.75 : x
  2. Step 2: Convert to fraction form
    13,326.07/18,390.01 = 7,357.75/x
  3. Step 3: Cross multiply
    13,326.07x = 18,390.01 × 7,357.75
  4. Step 4: Simplify right side
    13,326.07x = 135,309,059.29
  5. Step 5: Solve for x
    x = 135,309,059.29/13,326.07
  6. Step 6: Final answer
    x = 10,153.71

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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.