Home / 11,917.68-16,446.77-6,612.99

Finding the Fourth Proportional to 11,917.68, 16,446.77 and 6,612.99

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Solution

The fourth proportional to 11,917.68, 16,446.77 and 6,612.99 is: 9,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.68 : 16,446.77 = 6,612.99 : x
  2. Step 2: Convert to fraction form
    11,917.68/16,446.77 = 6,612.99/x
  3. Step 3: Cross multiply
    11,917.68x = 16,446.77 × 6,612.99
  4. Step 4: Simplify right side
    11,917.68x = 108,762,366.71
  5. Step 5: Solve for x
    x = 108,762,366.71/11,917.68
  6. Step 6: Final answer
    x = 9,126.13

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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.