Home / 22,059.14-30,441.32-11,987.90

Finding the Fourth Proportional to 22,059.14, 30,441.32 and 11,987.90

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Solution

The fourth proportional to 22,059.14, 30,441.32 and 11,987.90 is: 16,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.14 : 30,441.32 = 11,987.90 : x
  2. Step 2: Convert to fraction form
    22,059.14/30,441.32 = 11,987.90/x
  3. Step 3: Cross multiply
    22,059.14x = 30,441.32 × 11,987.90
  4. Step 4: Simplify right side
    22,059.14x = 364,927,446.99
  5. Step 5: Solve for x
    x = 364,927,446.99/22,059.14
  6. Step 6: Final answer
    x = 16,543.14

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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.