Home / 19,867.97-27,418.28-10,916.05

Finding the Fourth Proportional to 19,867.97, 27,418.28 and 10,916.05

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Solution

The fourth proportional to 19,867.97, 27,418.28 and 10,916.05 is: 15,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.97 : 27,418.28 = 10,916.05 : x
  2. Step 2: Convert to fraction form
    19,867.97/27,418.28 = 10,916.05/x
  3. Step 3: Cross multiply
    19,867.97x = 27,418.28 × 10,916.05
  4. Step 4: Simplify right side
    19,867.97x = 299,299,192.27
  5. Step 5: Solve for x
    x = 299,299,192.27/19,867.97
  6. Step 6: Final answer
    x = 15,064.41

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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.