Home / 17,917.80-26,876.70-9,623.40

Finding the Fourth Proportional to 17,917.80, 26,876.70 and 9,623.40

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Solution

The fourth proportional to 17,917.80, 26,876.70 and 9,623.40 is: 14,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.80 : 26,876.70 = 9,623.40 : x
  2. Step 2: Convert to fraction form
    17,917.80/26,876.70 = 9,623.40/x
  3. Step 3: Cross multiply
    17,917.80x = 26,876.70 × 9,623.40
  4. Step 4: Simplify right side
    17,917.80x = 258,645,234.78
  5. Step 5: Solve for x
    x = 258,645,234.78/17,917.80
  6. Step 6: Final answer
    x = 14,435.10

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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.