Home / 20,069.83-27,696.77-11,117.58

Finding the Fourth Proportional to 20,069.83, 27,696.77 and 11,117.58

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Solution

The fourth proportional to 20,069.83, 27,696.77 and 11,117.58 is: 15,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.83 : 27,696.77 = 11,117.58 : x
  2. Step 2: Convert to fraction form
    20,069.83/27,696.77 = 11,117.58/x
  3. Step 3: Cross multiply
    20,069.83x = 27,696.77 × 11,117.58
  4. Step 4: Simplify right side
    20,069.83x = 307,921,056.22
  5. Step 5: Solve for x
    x = 307,921,056.22/20,069.83
  6. Step 6: Final answer
    x = 15,342.48

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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.