Home / 19,799.21-29,665.87-13,943.52

Finding the Fourth Proportional to 19,799.21, 29,665.87 and 13,943.52

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Solution

The fourth proportional to 19,799.21, 29,665.87 and 13,943.52 is: 20,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.21 : 29,665.87 = 13,943.52 : x
  2. Step 2: Convert to fraction form
    19,799.21/29,665.87 = 13,943.52/x
  3. Step 3: Cross multiply
    19,799.21x = 29,665.87 × 13,943.52
  4. Step 4: Simplify right side
    19,799.21x = 413,646,651.66
  5. Step 5: Solve for x
    x = 413,646,651.66/19,799.21
  6. Step 6: Final answer
    x = 20,892.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.