Home / 14,520.54-21,780.81-4,132.29

Finding the Fourth Proportional to 14,520.54, 21,780.81 and 4,132.29

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Solution

The fourth proportional to 14,520.54, 21,780.81 and 4,132.29 is: 6,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.54 : 21,780.81 = 4,132.29 : x
  2. Step 2: Convert to fraction form
    14,520.54/21,780.81 = 4,132.29/x
  3. Step 3: Cross multiply
    14,520.54x = 21,780.81 × 4,132.29
  4. Step 4: Simplify right side
    14,520.54x = 90,004,623.35
  5. Step 5: Solve for x
    x = 90,004,623.35/14,520.54
  6. Step 6: Final answer
    x = 6,198.44

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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.