Home / 20,069.24-27,693.76-11,116.56

Finding the Fourth Proportional to 20,069.24, 27,693.76 and 11,116.56

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Solution

The fourth proportional to 20,069.24, 27,693.76 and 11,116.56 is: 15,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.24 : 27,693.76 = 11,116.56 : x
  2. Step 2: Convert to fraction form
    20,069.24/27,693.76 = 11,116.56/x
  3. Step 3: Cross multiply
    20,069.24x = 27,693.76 × 11,116.56
  4. Step 4: Simplify right side
    20,069.24x = 307,859,344.67
  5. Step 5: Solve for x
    x = 307,859,344.67/20,069.24
  6. Step 6: Final answer
    x = 15,339.86

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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.