Home / 13,177.05-18,175.98-9,196.71

Finding the Fourth Proportional to 13,177.05, 18,175.98 and 9,196.71

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Solution

The fourth proportional to 13,177.05, 18,175.98 and 9,196.71 is: 12,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.05 : 18,175.98 = 9,196.71 : x
  2. Step 2: Convert to fraction form
    13,177.05/18,175.98 = 9,196.71/x
  3. Step 3: Cross multiply
    13,177.05x = 18,175.98 × 9,196.71
  4. Step 4: Simplify right side
    13,177.05x = 167,159,217.03
  5. Step 5: Solve for x
    x = 167,159,217.03/13,177.05
  6. Step 6: Final answer
    x = 12,685.63

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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.