Home / 14,084.17-21,120.03-4,221.61

Finding the Fourth Proportional to 14,084.17, 21,120.03 and 4,221.61

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Solution

The fourth proportional to 14,084.17, 21,120.03 and 4,221.61 is: 6,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.17 : 21,120.03 = 4,221.61 : x
  2. Step 2: Convert to fraction form
    14,084.17/21,120.03 = 4,221.61/x
  3. Step 3: Cross multiply
    14,084.17x = 21,120.03 × 4,221.61
  4. Step 4: Simplify right side
    14,084.17x = 89,160,529.85
  5. Step 5: Solve for x
    x = 89,160,529.85/14,084.17
  6. Step 6: Final answer
    x = 6,330.55

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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.