Home / 11,935.72-16,470.03-6,899.14

Finding the Fourth Proportional to 11,935.72, 16,470.03 and 6,899.14

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Solution

The fourth proportional to 11,935.72, 16,470.03 and 6,899.14 is: 9,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.72 : 16,470.03 = 6,899.14 : x
  2. Step 2: Convert to fraction form
    11,935.72/16,470.03 = 6,899.14/x
  3. Step 3: Cross multiply
    11,935.72x = 16,470.03 × 6,899.14
  4. Step 4: Simplify right side
    11,935.72x = 113,629,042.77
  5. Step 5: Solve for x
    x = 113,629,042.77/11,935.72
  6. Step 6: Final answer
    x = 9,520.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.