Home / 22,356.66-30,852.96-12,286.04

Finding the Fourth Proportional to 22,356.66, 30,852.96 and 12,286.04

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Solution

The fourth proportional to 22,356.66, 30,852.96 and 12,286.04 is: 16,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.66 : 30,852.96 = 12,286.04 : x
  2. Step 2: Convert to fraction form
    22,356.66/30,852.96 = 12,286.04/x
  3. Step 3: Cross multiply
    22,356.66x = 30,852.96 × 12,286.04
  4. Step 4: Simplify right side
    22,356.66x = 379,060,700.68
  5. Step 5: Solve for x
    x = 379,060,700.68/22,356.66
  6. Step 6: Final answer
    x = 16,955.16

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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.