Home / 22,266.69-30,728.73-14,319.78

Finding the Fourth Proportional to 22,266.69, 30,728.73 and 14,319.78

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Solution

The fourth proportional to 22,266.69, 30,728.73 and 14,319.78 is: 19,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.69 : 30,728.73 = 14,319.78 : x
  2. Step 2: Convert to fraction form
    22,266.69/30,728.73 = 14,319.78/x
  3. Step 3: Cross multiply
    22,266.69x = 30,728.73 × 14,319.78
  4. Step 4: Simplify right side
    22,266.69x = 440,028,653.28
  5. Step 5: Solve for x
    x = 440,028,653.28/22,266.69
  6. Step 6: Final answer
    x = 19,761.75

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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.