Home / 11,656.53-16,085.81-6,351.39

Finding the Fourth Proportional to 11,656.53, 16,085.81 and 6,351.39

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Solution

The fourth proportional to 11,656.53, 16,085.81 and 6,351.39 is: 8,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.53 : 16,085.81 = 6,351.39 : x
  2. Step 2: Convert to fraction form
    11,656.53/16,085.81 = 6,351.39/x
  3. Step 3: Cross multiply
    11,656.53x = 16,085.81 × 6,351.39
  4. Step 4: Simplify right side
    11,656.53x = 102,167,172.35
  5. Step 5: Solve for x
    x = 102,167,172.35/11,656.53
  6. Step 6: Final answer
    x = 8,764.80

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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.