Home / 19,789.99-27,308.91-10,837.60

Finding the Fourth Proportional to 19,789.99, 27,308.91 and 10,837.60

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Solution

The fourth proportional to 19,789.99, 27,308.91 and 10,837.60 is: 14,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.99 : 27,308.91 = 10,837.60 : x
  2. Step 2: Convert to fraction form
    19,789.99/27,308.91 = 10,837.60/x
  3. Step 3: Cross multiply
    19,789.99x = 27,308.91 × 10,837.60
  4. Step 4: Simplify right side
    19,789.99x = 295,963,043.02
  5. Step 5: Solve for x
    x = 295,963,043.02/19,789.99
  6. Step 6: Final answer
    x = 14,955.19

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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.