Home / 22,261.07-30,722.58-13,191.84

Finding the Fourth Proportional to 22,261.07, 30,722.58 and 13,191.84

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Solution

The fourth proportional to 22,261.07, 30,722.58 and 13,191.84 is: 18,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.07 : 30,722.58 = 13,191.84 : x
  2. Step 2: Convert to fraction form
    22,261.07/30,722.58 = 13,191.84/x
  3. Step 3: Cross multiply
    22,261.07x = 30,722.58 × 13,191.84
  4. Step 4: Simplify right side
    22,261.07x = 405,287,359.75
  5. Step 5: Solve for x
    x = 405,287,359.75/22,261.07
  6. Step 6: Final answer
    x = 18,206.11

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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.