Home / 20,069.17-27,695.67-11,116.81

Finding the Fourth Proportional to 20,069.17, 27,695.67 and 11,116.81

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Solution

The fourth proportional to 20,069.17, 27,695.67 and 11,116.81 is: 15,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.17 : 27,695.67 = 11,116.81 : x
  2. Step 2: Convert to fraction form
    20,069.17/27,695.67 = 11,116.81/x
  3. Step 3: Cross multiply
    20,069.17x = 27,695.67 × 11,116.81
  4. Step 4: Simplify right side
    20,069.17x = 307,887,556.68
  5. Step 5: Solve for x
    x = 307,887,556.68/20,069.17
  6. Step 6: Final answer
    x = 15,341.32

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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.