Home / 18,017.01-24,874.43-12,361.05

Finding the Fourth Proportional to 18,017.01, 24,874.43 and 12,361.05

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Solution

The fourth proportional to 18,017.01, 24,874.43 and 12,361.05 is: 17,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.01 : 24,874.43 = 12,361.05 : x
  2. Step 2: Convert to fraction form
    18,017.01/24,874.43 = 12,361.05/x
  3. Step 3: Cross multiply
    18,017.01x = 24,874.43 × 12,361.05
  4. Step 4: Simplify right side
    18,017.01x = 307,474,011.15
  5. Step 5: Solve for x
    x = 307,474,011.15/18,017.01
  6. Step 6: Final answer
    x = 17,065.76

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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.