Home / 12,512.33-17,266.51-7,479.33

Finding the Fourth Proportional to 12,512.33, 17,266.51 and 7,479.33

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Solution

The fourth proportional to 12,512.33, 17,266.51 and 7,479.33 is: 10,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.33 : 17,266.51 = 7,479.33 : x
  2. Step 2: Convert to fraction form
    12,512.33/17,266.51 = 7,479.33/x
  3. Step 3: Cross multiply
    12,512.33x = 17,266.51 × 7,479.33
  4. Step 4: Simplify right side
    12,512.33x = 129,141,926.24
  5. Step 5: Solve for x
    x = 129,141,926.24/12,512.33
  6. Step 6: Final answer
    x = 10,321.17

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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.