Home / 11,927.07-16,458.26-6,621.57

Finding the Fourth Proportional to 11,927.07, 16,458.26 and 6,621.57

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Solution

The fourth proportional to 11,927.07, 16,458.26 and 6,621.57 is: 9,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.07 : 16,458.26 = 6,621.57 : x
  2. Step 2: Convert to fraction form
    11,927.07/16,458.26 = 6,621.57/x
  3. Step 3: Cross multiply
    11,927.07x = 16,458.26 × 6,621.57
  4. Step 4: Simplify right side
    11,927.07x = 108,979,487.56
  5. Step 5: Solve for x
    x = 108,979,487.56/11,927.07
  6. Step 6: Final answer
    x = 9,137.16

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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.