Home / 14,149.80-21,224.70-8,317.80

Finding the Fourth Proportional to 14,149.80, 21,224.70 and 8,317.80

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Solution

The fourth proportional to 14,149.80, 21,224.70 and 8,317.80 is: 12,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.80 : 21,224.70 = 8,317.80 : x
  2. Step 2: Convert to fraction form
    14,149.80/21,224.70 = 8,317.80/x
  3. Step 3: Cross multiply
    14,149.80x = 21,224.70 × 8,317.80
  4. Step 4: Simplify right side
    14,149.80x = 176,542,809.66
  5. Step 5: Solve for x
    x = 176,542,809.66/14,149.80
  6. Step 6: Final answer
    x = 12,476.70

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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.