Home / 19,851.09-27,394.93-10,898.57

Finding the Fourth Proportional to 19,851.09, 27,394.93 and 10,898.57

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Solution

The fourth proportional to 19,851.09, 27,394.93 and 10,898.57 is: 15,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.09 : 27,394.93 = 10,898.57 : x
  2. Step 2: Convert to fraction form
    19,851.09/27,394.93 = 10,898.57/x
  3. Step 3: Cross multiply
    19,851.09x = 27,394.93 × 10,898.57
  4. Step 4: Simplify right side
    19,851.09x = 298,565,562.25
  5. Step 5: Solve for x
    x = 298,565,562.25/19,851.09
  6. Step 6: Final answer
    x = 15,040.26

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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.