Home / 17,639.66-26,445.68-12,076.18

Finding the Fourth Proportional to 17,639.66, 26,445.68 and 12,076.18

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Solution

The fourth proportional to 17,639.66, 26,445.68 and 12,076.18 is: 18,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.66 : 26,445.68 = 12,076.18 : x
  2. Step 2: Convert to fraction form
    17,639.66/26,445.68 = 12,076.18/x
  3. Step 3: Cross multiply
    17,639.66x = 26,445.68 × 12,076.18
  4. Step 4: Simplify right side
    17,639.66x = 319,362,791.90
  5. Step 5: Solve for x
    x = 319,362,791.90/17,639.66
  6. Step 6: Final answer
    x = 18,104.82

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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.