Home / 19,789.20-27,309.04-10,837.26

Finding the Fourth Proportional to 19,789.20, 27,309.04 and 10,837.26

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Solution

The fourth proportional to 19,789.20, 27,309.04 and 10,837.26 is: 14,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.20 : 27,309.04 = 10,837.26 : x
  2. Step 2: Convert to fraction form
    19,789.20/27,309.04 = 10,837.26/x
  3. Step 3: Cross multiply
    19,789.20x = 27,309.04 × 10,837.26
  4. Step 4: Simplify right side
    19,789.20x = 295,955,139.74
  5. Step 5: Solve for x
    x = 295,955,139.74/19,789.20
  6. Step 6: Final answer
    x = 14,955.39

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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.