Home / 22,236.36-30,686.96-12,164.20

Finding the Fourth Proportional to 22,236.36, 30,686.96 and 12,164.20

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Solution

The fourth proportional to 22,236.36, 30,686.96 and 12,164.20 is: 16,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.36 : 30,686.96 = 12,164.20 : x
  2. Step 2: Convert to fraction form
    22,236.36/30,686.96 = 12,164.20/x
  3. Step 3: Cross multiply
    22,236.36x = 30,686.96 × 12,164.20
  4. Step 4: Simplify right side
    22,236.36x = 373,282,318.83
  5. Step 5: Solve for x
    x = 373,282,318.83/22,236.36
  6. Step 6: Final answer
    x = 16,787.02

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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.