Home / 19,874.51-27,427.43-10,922.29

Finding the Fourth Proportional to 19,874.51, 27,427.43 and 10,922.29

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Solution

The fourth proportional to 19,874.51, 27,427.43 and 10,922.29 is: 15,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.51 : 27,427.43 = 10,922.29 : x
  2. Step 2: Convert to fraction form
    19,874.51/27,427.43 = 10,922.29/x
  3. Step 3: Cross multiply
    19,874.51x = 27,427.43 × 10,922.29
  4. Step 4: Simplify right side
    19,874.51x = 299,570,344.41
  5. Step 5: Solve for x
    x = 299,570,344.41/19,874.51
  6. Step 6: Final answer
    x = 15,073.09

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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.