Home / 17,391.15-26,081.24-9,999.09

Finding the Fourth Proportional to 17,391.15, 26,081.24 and 9,999.09

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Solution

The fourth proportional to 17,391.15, 26,081.24 and 9,999.09 is: 14,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.15 : 26,081.24 = 9,999.09 : x
  2. Step 2: Convert to fraction form
    17,391.15/26,081.24 = 9,999.09/x
  3. Step 3: Cross multiply
    17,391.15x = 26,081.24 × 9,999.09
  4. Step 4: Simplify right side
    17,391.15x = 260,788,616.08
  5. Step 5: Solve for x
    x = 260,788,616.08/17,391.15
  6. Step 6: Final answer
    x = 14,995.48

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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.