Home / 14,223.25-21,344.60-4,989.25

Finding the Fourth Proportional to 14,223.25, 21,344.60 and 4,989.25

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Solution

The fourth proportional to 14,223.25, 21,344.60 and 4,989.25 is: 7,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.25 : 21,344.60 = 4,989.25 : x
  2. Step 2: Convert to fraction form
    14,223.25/21,344.60 = 4,989.25/x
  3. Step 3: Cross multiply
    14,223.25x = 21,344.60 × 4,989.25
  4. Step 4: Simplify right side
    14,223.25x = 106,493,545.55
  5. Step 5: Solve for x
    x = 106,493,545.55/14,223.25
  6. Step 6: Final answer
    x = 7,487.29

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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.