Home / 22,146.36-33,208.60-9,660.98

Finding the Fourth Proportional to 22,146.36, 33,208.60 and 9,660.98

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Solution

The fourth proportional to 22,146.36, 33,208.60 and 9,660.98 is: 14,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.36 : 33,208.60 = 9,660.98 : x
  2. Step 2: Convert to fraction form
    22,146.36/33,208.60 = 9,660.98/x
  3. Step 3: Cross multiply
    22,146.36x = 33,208.60 × 9,660.98
  4. Step 4: Simplify right side
    22,146.36x = 320,827,620.43
  5. Step 5: Solve for x
    x = 320,827,620.43/22,146.36
  6. Step 6: Final answer
    x = 14,486.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.