Home / 11,349.94-15,662.84-6,245.77

Finding the Fourth Proportional to 11,349.94, 15,662.84 and 6,245.77

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Solution

The fourth proportional to 11,349.94, 15,662.84 and 6,245.77 is: 8,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.94 : 15,662.84 = 6,245.77 : x
  2. Step 2: Convert to fraction form
    11,349.94/15,662.84 = 6,245.77/x
  3. Step 3: Cross multiply
    11,349.94x = 15,662.84 × 6,245.77
  4. Step 4: Simplify right side
    11,349.94x = 97,826,417.87
  5. Step 5: Solve for x
    x = 97,826,417.87/11,349.94
  6. Step 6: Final answer
    x = 8,619.12

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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.