Home / 22,133.80-33,202.98-12,784.30

Finding the Fourth Proportional to 22,133.80, 33,202.98 and 12,784.30

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Solution

The fourth proportional to 22,133.80, 33,202.98 and 12,784.30 is: 19,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.80 : 33,202.98 = 12,784.30 : x
  2. Step 2: Convert to fraction form
    22,133.80/33,202.98 = 12,784.30/x
  3. Step 3: Cross multiply
    22,133.80x = 33,202.98 × 12,784.30
  4. Step 4: Simplify right side
    22,133.80x = 424,476,857.21
  5. Step 5: Solve for x
    x = 424,476,857.21/22,133.80
  6. Step 6: Final answer
    x = 19,177.77

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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.