Home / 14,640.80-21,961.46-5,281.52

Finding the Fourth Proportional to 14,640.80, 21,961.46 and 5,281.52

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Solution

The fourth proportional to 14,640.80, 21,961.46 and 5,281.52 is: 7,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.80 : 21,961.46 = 5,281.52 : x
  2. Step 2: Convert to fraction form
    14,640.80/21,961.46 = 5,281.52/x
  3. Step 3: Cross multiply
    14,640.80x = 21,961.46 × 5,281.52
  4. Step 4: Simplify right side
    14,640.80x = 115,989,793.62
  5. Step 5: Solve for x
    x = 115,989,793.62/14,640.80
  6. Step 6: Final answer
    x = 7,922.37

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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.