Home / 12,479.23-17,197.57-8,936.29

Finding the Fourth Proportional to 12,479.23, 17,197.57 and 8,936.29

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Solution

The fourth proportional to 12,479.23, 17,197.57 and 8,936.29 is: 12,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479.23 : 17,197.57 = 8,936.29 : x
  2. Step 2: Convert to fraction form
    12,479.23/17,197.57 = 8,936.29/x
  3. Step 3: Cross multiply
    12,479.23x = 17,197.57 × 8,936.29
  4. Step 4: Simplify right side
    12,479.23x = 153,682,472.82
  5. Step 5: Solve for x
    x = 153,682,472.82/12,479.23
  6. Step 6: Final answer
    x = 12,315.06

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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.