Home / 11,612.80-16,025.43-6,307.75

Finding the Fourth Proportional to 11,612.80, 16,025.43 and 6,307.75

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Solution

The fourth proportional to 11,612.80, 16,025.43 and 6,307.75 is: 8,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.80 : 16,025.43 = 6,307.75 : x
  2. Step 2: Convert to fraction form
    11,612.80/16,025.43 = 6,307.75/x
  3. Step 3: Cross multiply
    11,612.80x = 16,025.43 × 6,307.75
  4. Step 4: Simplify right side
    11,612.80x = 101,084,406.08
  5. Step 5: Solve for x
    x = 101,084,406.08/11,612.80
  6. Step 6: Final answer
    x = 8,704.57

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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.