Home / 19,854.83-27,400.39-10,902.26

Finding the Fourth Proportional to 19,854.83, 27,400.39 and 10,902.26

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Solution

The fourth proportional to 19,854.83, 27,400.39 and 10,902.26 is: 15,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.83 : 27,400.39 = 10,902.26 : x
  2. Step 2: Convert to fraction form
    19,854.83/27,400.39 = 10,902.26/x
  3. Step 3: Cross multiply
    19,854.83x = 27,400.39 × 10,902.26
  4. Step 4: Simplify right side
    19,854.83x = 298,726,217.13
  5. Step 5: Solve for x
    x = 298,726,217.13/19,854.83
  6. Step 6: Final answer
    x = 15,045.52

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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.