Home / 21,767.46-30,038.82-12,208.26

Finding the Fourth Proportional to 21,767.46, 30,038.82 and 12,208.26

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Solution

The fourth proportional to 21,767.46, 30,038.82 and 12,208.26 is: 16,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.46 : 30,038.82 = 12,208.26 : x
  2. Step 2: Convert to fraction form
    21,767.46/30,038.82 = 12,208.26/x
  3. Step 3: Cross multiply
    21,767.46x = 30,038.82 × 12,208.26
  4. Step 4: Simplify right side
    21,767.46x = 366,721,724.65
  5. Step 5: Solve for x
    x = 366,721,724.65/21,767.46
  6. Step 6: Final answer
    x = 16,847.24

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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.