Home / 11,621.36-16,037.88-6,316.58

Finding the Fourth Proportional to 11,621.36, 16,037.88 and 6,316.58

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Solution

The fourth proportional to 11,621.36, 16,037.88 and 6,316.58 is: 8,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.36 : 16,037.88 = 6,316.58 : x
  2. Step 2: Convert to fraction form
    11,621.36/16,037.88 = 6,316.58/x
  3. Step 3: Cross multiply
    11,621.36x = 16,037.88 × 6,316.58
  4. Step 4: Simplify right side
    11,621.36x = 101,304,552.05
  5. Step 5: Solve for x
    x = 101,304,552.05/11,621.36
  6. Step 6: Final answer
    x = 8,717.10

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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.