Home / 14,084.57-21,129.59-4,223.03

Finding the Fourth Proportional to 14,084.57, 21,129.59 and 4,223.03

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Solution

The fourth proportional to 14,084.57, 21,129.59 and 4,223.03 is: 6,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.57 : 21,129.59 = 4,223.03 : x
  2. Step 2: Convert to fraction form
    14,084.57/21,129.59 = 4,223.03/x
  3. Step 3: Cross multiply
    14,084.57x = 21,129.59 × 4,223.03
  4. Step 4: Simplify right side
    14,084.57x = 89,230,797.37
  5. Step 5: Solve for x
    x = 89,230,797.37/14,084.57
  6. Step 6: Final answer
    x = 6,335.36

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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.