Home / 14,084.09-21,126.15-4,223.39

Finding the Fourth Proportional to 14,084.09, 21,126.15 and 4,223.39

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Solution

The fourth proportional to 14,084.09, 21,126.15 and 4,223.39 is: 6,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.09 : 21,126.15 = 4,223.39 : x
  2. Step 2: Convert to fraction form
    14,084.09/21,126.15 = 4,223.39/x
  3. Step 3: Cross multiply
    14,084.09x = 21,126.15 × 4,223.39
  4. Step 4: Simplify right side
    14,084.09x = 89,223,983.85
  5. Step 5: Solve for x
    x = 89,223,983.85/14,084.09
  6. Step 6: Final answer
    x = 6,335.09

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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.