Home / 19,499.80-26,910.36-11,001.76

Finding the Fourth Proportional to 19,499.80, 26,910.36 and 11,001.76

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Solution

The fourth proportional to 19,499.80, 26,910.36 and 11,001.76 is: 15,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.80 : 26,910.36 = 11,001.76 : x
  2. Step 2: Convert to fraction form
    19,499.80/26,910.36 = 11,001.76/x
  3. Step 3: Cross multiply
    19,499.80x = 26,910.36 × 11,001.76
  4. Step 4: Simplify right side
    19,499.80x = 296,061,322.23
  5. Step 5: Solve for x
    x = 296,061,322.23/19,499.80
  6. Step 6: Final answer
    x = 15,182.79

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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.