Home / 13,458.14-20,188.23-4,098.96

Finding the Fourth Proportional to 13,458.14, 20,188.23 and 4,098.96

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Solution

The fourth proportional to 13,458.14, 20,188.23 and 4,098.96 is: 6,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.14 : 20,188.23 = 4,098.96 : x
  2. Step 2: Convert to fraction form
    13,458.14/20,188.23 = 4,098.96/x
  3. Step 3: Cross multiply
    13,458.14x = 20,188.23 × 4,098.96
  4. Step 4: Simplify right side
    13,458.14x = 82,750,747.24
  5. Step 5: Solve for x
    x = 82,750,747.24/13,458.14
  6. Step 6: Final answer
    x = 6,148.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.