Home / 19,805.31-27,329.81-10,851.37

Finding the Fourth Proportional to 19,805.31, 27,329.81 and 10,851.37

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Solution

The fourth proportional to 19,805.31, 27,329.81 and 10,851.37 is: 14,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.31 : 27,329.81 = 10,851.37 : x
  2. Step 2: Convert to fraction form
    19,805.31/27,329.81 = 10,851.37/x
  3. Step 3: Cross multiply
    19,805.31x = 27,329.81 × 10,851.37
  4. Step 4: Simplify right side
    19,805.31x = 296,565,757.76
  5. Step 5: Solve for x
    x = 296,565,757.76/19,805.31
  6. Step 6: Final answer
    x = 14,974.05

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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.