Home / 11,752.22-16,217.54-6,446.93

Finding the Fourth Proportional to 11,752.22, 16,217.54 and 6,446.93

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Solution

The fourth proportional to 11,752.22, 16,217.54 and 6,446.93 is: 8,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.22 : 16,217.54 = 6,446.93 : x
  2. Step 2: Convert to fraction form
    11,752.22/16,217.54 = 6,446.93/x
  3. Step 3: Cross multiply
    11,752.22x = 16,217.54 × 6,446.93
  4. Step 4: Simplify right side
    11,752.22x = 104,553,231.83
  5. Step 5: Solve for x
    x = 104,553,231.83/11,752.22
  6. Step 6: Final answer
    x = 8,896.47

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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.