Home / 11,705.70-16,153.86-6,400.52

Finding the Fourth Proportional to 11,705.70, 16,153.86 and 6,400.52

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Solution

The fourth proportional to 11,705.70, 16,153.86 and 6,400.52 is: 8,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.70 : 16,153.86 = 6,400.52 : x
  2. Step 2: Convert to fraction form
    11,705.70/16,153.86 = 6,400.52/x
  3. Step 3: Cross multiply
    11,705.70x = 16,153.86 × 6,400.52
  4. Step 4: Simplify right side
    11,705.70x = 103,393,104.01
  5. Step 5: Solve for x
    x = 103,393,104.01/11,705.70
  6. Step 6: Final answer
    x = 8,832.71

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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.