Home / 22,218.02-30,660.94-12,146.58

Finding the Fourth Proportional to 22,218.02, 30,660.94 and 12,146.58

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Solution

The fourth proportional to 22,218.02, 30,660.94 and 12,146.58 is: 16,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.02 : 30,660.94 = 12,146.58 : x
  2. Step 2: Convert to fraction form
    22,218.02/30,660.94 = 12,146.58/x
  3. Step 3: Cross multiply
    22,218.02x = 30,660.94 × 12,146.58
  4. Step 4: Simplify right side
    22,218.02x = 372,425,560.59
  5. Step 5: Solve for x
    x = 372,425,560.59/22,218.02
  6. Step 6: Final answer
    x = 16,762.32

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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.