Home / 14,426.24-21,639.24-8,189.12

Finding the Fourth Proportional to 14,426.24, 21,639.24 and 8,189.12

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Solution

The fourth proportional to 14,426.24, 21,639.24 and 8,189.12 is: 12,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.24 : 21,639.24 = 8,189.12 : x
  2. Step 2: Convert to fraction form
    14,426.24/21,639.24 = 8,189.12/x
  3. Step 3: Cross multiply
    14,426.24x = 21,639.24 × 8,189.12
  4. Step 4: Simplify right side
    14,426.24x = 177,206,333.07
  5. Step 5: Solve for x
    x = 177,206,333.07/14,426.24
  6. Step 6: Final answer
    x = 12,283.61

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Half scale
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Double scale
Find fourth proportional to 14,427.24, 21,640.74 and 8,190.12
Similar ratio
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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.