Home / 22,222.63-30,667.02-12,150.96

Finding the Fourth Proportional to 22,222.63, 30,667.02 and 12,150.96

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Solution

The fourth proportional to 22,222.63, 30,667.02 and 12,150.96 is: 16,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.63 : 30,667.02 = 12,150.96 : x
  2. Step 2: Convert to fraction form
    22,222.63/30,667.02 = 12,150.96/x
  3. Step 3: Cross multiply
    22,222.63x = 30,667.02 × 12,150.96
  4. Step 4: Simplify right side
    22,222.63x = 372,633,762.36
  5. Step 5: Solve for x
    x = 372,633,762.36/22,222.63
  6. Step 6: Final answer
    x = 16,768.21

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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.