Home / 11,690.73-16,132.77-6,385.23

Finding the Fourth Proportional to 11,690.73, 16,132.77 and 6,385.23

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Solution

The fourth proportional to 11,690.73, 16,132.77 and 6,385.23 is: 8,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.73 : 16,132.77 = 6,385.23 : x
  2. Step 2: Convert to fraction form
    11,690.73/16,132.77 = 6,385.23/x
  3. Step 3: Cross multiply
    11,690.73x = 16,132.77 × 6,385.23
  4. Step 4: Simplify right side
    11,690.73x = 103,011,446.99
  5. Step 5: Solve for x
    x = 103,011,446.99/11,690.73
  6. Step 6: Final answer
    x = 8,811.38

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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.