Home / 13,115.25-19,673.01-7,284.13

Finding the Fourth Proportional to 13,115.25, 19,673.01 and 7,284.13

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Solution

The fourth proportional to 13,115.25, 19,673.01 and 7,284.13 is: 10,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.25 : 19,673.01 = 7,284.13 : x
  2. Step 2: Convert to fraction form
    13,115.25/19,673.01 = 7,284.13/x
  3. Step 3: Cross multiply
    13,115.25x = 19,673.01 × 7,284.13
  4. Step 4: Simplify right side
    13,115.25x = 143,300,713.15
  5. Step 5: Solve for x
    x = 143,300,713.15/13,115.25
  6. Step 6: Final answer
    x = 10,926.27

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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.