Home / 19,789.59-27,308.43-10,837.20

Finding the Fourth Proportional to 19,789.59, 27,308.43 and 10,837.20

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Solution

The fourth proportional to 19,789.59, 27,308.43 and 10,837.20 is: 14,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.59 : 27,308.43 = 10,837.20 : x
  2. Step 2: Convert to fraction form
    19,789.59/27,308.43 = 10,837.20/x
  3. Step 3: Cross multiply
    19,789.59x = 27,308.43 × 10,837.20
  4. Step 4: Simplify right side
    19,789.59x = 295,946,917.60
  5. Step 5: Solve for x
    x = 295,946,917.60/19,789.59
  6. Step 6: Final answer
    x = 14,954.68

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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.