Home / 12,716.33-19,079.96-6,147.45

Finding the Fourth Proportional to 12,716.33, 19,079.96 and 6,147.45

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Solution

The fourth proportional to 12,716.33, 19,079.96 and 6,147.45 is: 9,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.33 : 19,079.96 = 6,147.45 : x
  2. Step 2: Convert to fraction form
    12,716.33/19,079.96 = 6,147.45/x
  3. Step 3: Cross multiply
    12,716.33x = 19,079.96 × 6,147.45
  4. Step 4: Simplify right side
    12,716.33x = 117,293,069.36
  5. Step 5: Solve for x
    x = 117,293,069.36/12,716.33
  6. Step 6: Final answer
    x = 9,223.82

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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.