Home / 11,717.32-16,170.18-6,412.66

Finding the Fourth Proportional to 11,717.32, 16,170.18 and 6,412.66

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Solution

The fourth proportional to 11,717.32, 16,170.18 and 6,412.66 is: 8,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.32 : 16,170.18 = 6,412.66 : x
  2. Step 2: Convert to fraction form
    11,717.32/16,170.18 = 6,412.66/x
  3. Step 3: Cross multiply
    11,717.32x = 16,170.18 × 6,412.66
  4. Step 4: Simplify right side
    11,717.32x = 103,693,866.48
  5. Step 5: Solve for x
    x = 103,693,866.48/11,717.32
  6. Step 6: Final answer
    x = 8,849.62

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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.