Home / 22,071.96-30,451.14-13,119.84

Finding the Fourth Proportional to 22,071.96, 30,451.14 and 13,119.84

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Solution

The fourth proportional to 22,071.96, 30,451.14 and 13,119.84 is: 18,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.96 : 30,451.14 = 13,119.84 : x
  2. Step 2: Convert to fraction form
    22,071.96/30,451.14 = 13,119.84/x
  3. Step 3: Cross multiply
    22,071.96x = 30,451.14 × 13,119.84
  4. Step 4: Simplify right side
    22,071.96x = 399,514,084.62
  5. Step 5: Solve for x
    x = 399,514,084.62/22,071.96
  6. Step 6: Final answer
    x = 18,100.53

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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.