Home / 19,864.22-27,412.68-10,911.90

Finding the Fourth Proportional to 19,864.22, 27,412.68 and 10,911.90

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Solution

The fourth proportional to 19,864.22, 27,412.68 and 10,911.90 is: 15,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.22 : 27,412.68 = 10,911.90 : x
  2. Step 2: Convert to fraction form
    19,864.22/27,412.68 = 10,911.90/x
  3. Step 3: Cross multiply
    19,864.22x = 27,412.68 × 10,911.90
  4. Step 4: Simplify right side
    19,864.22x = 299,124,422.89
  5. Step 5: Solve for x
    x = 299,124,422.89/19,864.22
  6. Step 6: Final answer
    x = 15,058.45

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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.