Home / 19,789.27-27,309.49-10,837.15

Finding the Fourth Proportional to 19,789.27, 27,309.49 and 10,837.15

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Solution

The fourth proportional to 19,789.27, 27,309.49 and 10,837.15 is: 14,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.27 : 27,309.49 = 10,837.15 : x
  2. Step 2: Convert to fraction form
    19,789.27/27,309.49 = 10,837.15/x
  3. Step 3: Cross multiply
    19,789.27x = 27,309.49 × 10,837.15
  4. Step 4: Simplify right side
    19,789.27x = 295,956,944.19
  5. Step 5: Solve for x
    x = 295,956,944.19/19,789.27
  6. Step 6: Final answer
    x = 14,955.43

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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.