Home / 13,336.42-20,007.11-5,545.86

Finding the Fourth Proportional to 13,336.42, 20,007.11 and 5,545.86

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Solution

The fourth proportional to 13,336.42, 20,007.11 and 5,545.86 is: 8,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.42 : 20,007.11 = 5,545.86 : x
  2. Step 2: Convert to fraction form
    13,336.42/20,007.11 = 5,545.86/x
  3. Step 3: Cross multiply
    13,336.42x = 20,007.11 × 5,545.86
  4. Step 4: Simplify right side
    13,336.42x = 110,956,631.06
  5. Step 5: Solve for x
    x = 110,956,631.06/13,336.42
  6. Step 6: Final answer
    x = 8,319.82

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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.