Home / 14,084.64-21,126.72-4,223.76

Finding the Fourth Proportional to 14,084.64, 21,126.72 and 4,223.76

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Solution

The fourth proportional to 14,084.64, 21,126.72 and 4,223.76 is: 6,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.64 : 21,126.72 = 4,223.76 : x
  2. Step 2: Convert to fraction form
    14,084.64/21,126.72 = 4,223.76/x
  3. Step 3: Cross multiply
    14,084.64x = 21,126.72 × 4,223.76
  4. Step 4: Simplify right side
    14,084.64x = 89,234,194.87
  5. Step 5: Solve for x
    x = 89,234,194.87/14,084.64
  6. Step 6: Final answer
    x = 6,335.57

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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.