Home / 19,854.07-27,398.90-10,902.38

Finding the Fourth Proportional to 19,854.07, 27,398.90 and 10,902.38

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Solution

The fourth proportional to 19,854.07, 27,398.90 and 10,902.38 is: 15,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.07 : 27,398.90 = 10,902.38 : x
  2. Step 2: Convert to fraction form
    19,854.07/27,398.90 = 10,902.38/x
  3. Step 3: Cross multiply
    19,854.07x = 27,398.90 × 10,902.38
  4. Step 4: Simplify right side
    19,854.07x = 298,713,109.64
  5. Step 5: Solve for x
    x = 298,713,109.64/19,854.07
  6. Step 6: Final answer
    x = 15,045.44

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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.