Home / 19,296.72-26,634.48-10,918.08

Finding the Fourth Proportional to 19,296.72, 26,634.48 and 10,918.08

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Solution

The fourth proportional to 19,296.72, 26,634.48 and 10,918.08 is: 15,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.72 : 26,634.48 = 10,918.08 : x
  2. Step 2: Convert to fraction form
    19,296.72/26,634.48 = 10,918.08/x
  3. Step 3: Cross multiply
    19,296.72x = 26,634.48 × 10,918.08
  4. Step 4: Simplify right side
    19,296.72x = 290,797,383.40
  5. Step 5: Solve for x
    x = 290,797,383.40/19,296.72
  6. Step 6: Final answer
    x = 15,069.78

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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.