Home / 14,552.20-20,091.54-11,188.81

Finding the Fourth Proportional to 14,552.20, 20,091.54 and 11,188.81

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Solution

The fourth proportional to 14,552.20, 20,091.54 and 11,188.81 is: 15,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,552.20 : 20,091.54 = 11,188.81 : x
  2. Step 2: Convert to fraction form
    14,552.20/20,091.54 = 11,188.81/x
  3. Step 3: Cross multiply
    14,552.20x = 20,091.54 × 11,188.81
  4. Step 4: Simplify right side
    14,552.20x = 224,800,423.67
  5. Step 5: Solve for x
    x = 224,800,423.67/14,552.20
  6. Step 6: Final answer
    x = 15,447.87

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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.