Home / 17,565.84-26,451.84-12,669.36

Finding the Fourth Proportional to 17,565.84, 26,451.84 and 12,669.36

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Solution

The fourth proportional to 17,565.84, 26,451.84 and 12,669.36 is: 19,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.84 : 26,451.84 = 12,669.36 : x
  2. Step 2: Convert to fraction form
    17,565.84/26,451.84 = 12,669.36/x
  3. Step 3: Cross multiply
    17,565.84x = 26,451.84 × 12,669.36
  4. Step 4: Simplify right side
    17,565.84x = 335,127,883.62
  5. Step 5: Solve for x
    x = 335,127,883.62/17,565.84
  6. Step 6: Final answer
    x = 19,078.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.