Home / 19,876.14-27,428.49-10,923.63

Finding the Fourth Proportional to 19,876.14, 27,428.49 and 10,923.63

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Solution

The fourth proportional to 19,876.14, 27,428.49 and 10,923.63 is: 15,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.14 : 27,428.49 = 10,923.63 : x
  2. Step 2: Convert to fraction form
    19,876.14/27,428.49 = 10,923.63/x
  3. Step 3: Cross multiply
    19,876.14x = 27,428.49 × 10,923.63
  4. Step 4: Simplify right side
    19,876.14x = 299,618,676.22
  5. Step 5: Solve for x
    x = 299,618,676.22/19,876.14
  6. Step 6: Final answer
    x = 15,074.29

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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.