Home / 14,633.31-20,194.28-8,345.55

Finding the Fourth Proportional to 14,633.31, 20,194.28 and 8,345.55

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Solution

The fourth proportional to 14,633.31, 20,194.28 and 8,345.55 is: 11,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.31 : 20,194.28 = 8,345.55 : x
  2. Step 2: Convert to fraction form
    14,633.31/20,194.28 = 8,345.55/x
  3. Step 3: Cross multiply
    14,633.31x = 20,194.28 × 8,345.55
  4. Step 4: Simplify right side
    14,633.31x = 168,532,331.73
  5. Step 5: Solve for x
    x = 168,532,331.73/14,633.31
  6. Step 6: Final answer
    x = 11,517.03

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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.