Home / 22,222.46-30,667.02-12,791.04

Finding the Fourth Proportional to 22,222.46, 30,667.02 and 12,791.04

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Solution

The fourth proportional to 22,222.46, 30,667.02 and 12,791.04 is: 17,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.46 : 30,667.02 = 12,791.04 : x
  2. Step 2: Convert to fraction form
    22,222.46/30,667.02 = 12,791.04/x
  3. Step 3: Cross multiply
    22,222.46x = 30,667.02 × 12,791.04
  4. Step 4: Simplify right side
    22,222.46x = 392,263,079.50
  5. Step 5: Solve for x
    x = 392,263,079.50/22,222.46
  6. Step 6: Final answer
    x = 17,651.65

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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.