Home / 22,620.09-31,195.28-14,122.98

Finding the Fourth Proportional to 22,620.09, 31,195.28 and 14,122.98

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Solution

The fourth proportional to 22,620.09, 31,195.28 and 14,122.98 is: 19,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.09 : 31,195.28 = 14,122.98 : x
  2. Step 2: Convert to fraction form
    22,620.09/31,195.28 = 14,122.98/x
  3. Step 3: Cross multiply
    22,620.09x = 31,195.28 × 14,122.98
  4. Step 4: Simplify right side
    22,620.09x = 440,570,244.92
  5. Step 5: Solve for x
    x = 440,570,244.92/22,620.09
  6. Step 6: Final answer
    x = 19,476.94

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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.