Home / 14,618.76-20,167.38-9,310.68

Finding the Fourth Proportional to 14,618.76, 20,167.38 and 9,310.68

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Solution

The fourth proportional to 14,618.76, 20,167.38 and 9,310.68 is: 12,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.76 : 20,167.38 = 9,310.68 : x
  2. Step 2: Convert to fraction form
    14,618.76/20,167.38 = 9,310.68/x
  3. Step 3: Cross multiply
    14,618.76x = 20,167.38 × 9,310.68
  4. Step 4: Simplify right side
    14,618.76x = 187,772,021.62
  5. Step 5: Solve for x
    x = 187,772,021.62/14,618.76
  6. Step 6: Final answer
    x = 12,844.59

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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.