Home / 19,863.21-27,411.31-10,910.89

Finding the Fourth Proportional to 19,863.21, 27,411.31 and 10,910.89

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Solution

The fourth proportional to 19,863.21, 27,411.31 and 10,910.89 is: 15,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.21 : 27,411.31 = 10,910.89 : x
  2. Step 2: Convert to fraction form
    19,863.21/27,411.31 = 10,910.89/x
  3. Step 3: Cross multiply
    19,863.21x = 27,411.31 × 10,910.89
  4. Step 4: Simplify right side
    19,863.21x = 299,081,788.17
  5. Step 5: Solve for x
    x = 299,081,788.17/19,863.21
  6. Step 6: Final answer
    x = 15,057.07

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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.