Home / 17,664.64-26,455.41-8,284.43

Finding the Fourth Proportional to 17,664.64, 26,455.41 and 8,284.43

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Solution

The fourth proportional to 17,664.64, 26,455.41 and 8,284.43 is: 12,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.64 : 26,455.41 = 8,284.43 : x
  2. Step 2: Convert to fraction form
    17,664.64/26,455.41 = 8,284.43/x
  3. Step 3: Cross multiply
    17,664.64x = 26,455.41 × 8,284.43
  4. Step 4: Simplify right side
    17,664.64x = 219,168,058.40
  5. Step 5: Solve for x
    x = 219,168,058.40/17,664.64
  6. Step 6: Final answer
    x = 12,407.16

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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.