Home / 14,180.45-19,568.18-8,211.69

Finding the Fourth Proportional to 14,180.45, 19,568.18 and 8,211.69

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Solution

The fourth proportional to 14,180.45, 19,568.18 and 8,211.69 is: 11,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.45 : 19,568.18 = 8,211.69 : x
  2. Step 2: Convert to fraction form
    14,180.45/19,568.18 = 8,211.69/x
  3. Step 3: Cross multiply
    14,180.45x = 19,568.18 × 8,211.69
  4. Step 4: Simplify right side
    14,180.45x = 160,687,848.55
  5. Step 5: Solve for x
    x = 160,687,848.55/14,180.45
  6. Step 6: Final answer
    x = 11,331.65

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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.