Home / 11,655.87-16,085.43-6,350.79

Finding the Fourth Proportional to 11,655.87, 16,085.43 and 6,350.79

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Solution

The fourth proportional to 11,655.87, 16,085.43 and 6,350.79 is: 8,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.87 : 16,085.43 = 6,350.79 : x
  2. Step 2: Convert to fraction form
    11,655.87/16,085.43 = 6,350.79/x
  3. Step 3: Cross multiply
    11,655.87x = 16,085.43 × 6,350.79
  4. Step 4: Simplify right side
    11,655.87x = 102,155,187.99
  5. Step 5: Solve for x
    x = 102,155,187.99/11,655.87
  6. Step 6: Final answer
    x = 8,764.27

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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.