Home / 14,121.83-21,182.22-4,260.85

Finding the Fourth Proportional to 14,121.83, 21,182.22 and 4,260.85

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Solution

The fourth proportional to 14,121.83, 21,182.22 and 4,260.85 is: 6,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.83 : 21,182.22 = 4,260.85 : x
  2. Step 2: Convert to fraction form
    14,121.83/21,182.22 = 4,260.85/x
  3. Step 3: Cross multiply
    14,121.83x = 21,182.22 × 4,260.85
  4. Step 4: Simplify right side
    14,121.83x = 90,254,209.13
  5. Step 5: Solve for x
    x = 90,254,209.13/14,121.83
  6. Step 6: Final answer
    x = 6,391.12

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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.