Home / 11,612.86-16,025.91-6,307.66

Finding the Fourth Proportional to 11,612.86, 16,025.91 and 6,307.66

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Solution

The fourth proportional to 11,612.86, 16,025.91 and 6,307.66 is: 8,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.86 : 16,025.91 = 6,307.66 : x
  2. Step 2: Convert to fraction form
    11,612.86/16,025.91 = 6,307.66/x
  3. Step 3: Cross multiply
    11,612.86x = 16,025.91 × 6,307.66
  4. Step 4: Simplify right side
    11,612.86x = 101,085,991.47
  5. Step 5: Solve for x
    x = 101,085,991.47/11,612.86
  6. Step 6: Final answer
    x = 8,704.66

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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.