Home / 14,341.97-19,742.79-12,442.38

Finding the Fourth Proportional to 14,341.97, 19,742.79 and 12,442.38

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Solution

The fourth proportional to 14,341.97, 19,742.79 and 12,442.38 is: 17,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.97 : 19,742.79 = 12,442.38 : x
  2. Step 2: Convert to fraction form
    14,341.97/19,742.79 = 12,442.38/x
  3. Step 3: Cross multiply
    14,341.97x = 19,742.79 × 12,442.38
  4. Step 4: Simplify right side
    14,341.97x = 245,647,268.06
  5. Step 5: Solve for x
    x = 245,647,268.06/14,341.97
  6. Step 6: Final answer
    x = 17,127.86

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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.