Home / 11,802.08-16,286.80-6,496.78

Finding the Fourth Proportional to 11,802.08, 16,286.80 and 6,496.78

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Solution

The fourth proportional to 11,802.08, 16,286.80 and 6,496.78 is: 8,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.08 : 16,286.80 = 6,496.78 : x
  2. Step 2: Convert to fraction form
    11,802.08/16,286.80 = 6,496.78/x
  3. Step 3: Cross multiply
    11,802.08x = 16,286.80 × 6,496.78
  4. Step 4: Simplify right side
    11,802.08x = 105,811,756.50
  5. Step 5: Solve for x
    x = 105,811,756.50/11,802.08
  6. Step 6: Final answer
    x = 8,965.52

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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.