Home / 22,159.20-30,564.96-14,188.80

Finding the Fourth Proportional to 22,159.20, 30,564.96 and 14,188.80

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Solution

The fourth proportional to 22,159.20, 30,564.96 and 14,188.80 is: 19,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.20 : 30,564.96 = 14,188.80 : x
  2. Step 2: Convert to fraction form
    22,159.20/30,564.96 = 14,188.80/x
  3. Step 3: Cross multiply
    22,159.20x = 30,564.96 × 14,188.80
  4. Step 4: Simplify right side
    22,159.20x = 433,680,104.45
  5. Step 5: Solve for x
    x = 433,680,104.45/22,159.20
  6. Step 6: Final answer
    x = 19,571.11

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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.