Home / 14,228.97-19,637.33-10,138.47

Finding the Fourth Proportional to 14,228.97, 19,637.33 and 10,138.47

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Solution

The fourth proportional to 14,228.97, 19,637.33 and 10,138.47 is: 13,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.97 : 19,637.33 = 10,138.47 : x
  2. Step 2: Convert to fraction form
    14,228.97/19,637.33 = 10,138.47/x
  3. Step 3: Cross multiply
    14,228.97x = 19,637.33 × 10,138.47
  4. Step 4: Simplify right side
    14,228.97x = 199,092,481.09
  5. Step 5: Solve for x
    x = 199,092,481.09/14,228.97
  6. Step 6: Final answer
    x = 13,992.05

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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.