Home / 20,069.43-27,697.86-11,571.87

Finding the Fourth Proportional to 20,069.43, 27,697.86 and 11,571.87

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Solution

The fourth proportional to 20,069.43, 27,697.86 and 11,571.87 is: 15,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.43 : 27,697.86 = 11,571.87 : x
  2. Step 2: Convert to fraction form
    20,069.43/27,697.86 = 11,571.87/x
  3. Step 3: Cross multiply
    20,069.43x = 27,697.86 × 11,571.87
  4. Step 4: Simplify right side
    20,069.43x = 320,516,035.20
  5. Step 5: Solve for x
    x = 320,516,035.20/20,069.43
  6. Step 6: Final answer
    x = 15,970.36

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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.