Home / 14,694.30-20,280.74-8,321.26

Finding the Fourth Proportional to 14,694.30, 20,280.74 and 8,321.26

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Solution

The fourth proportional to 14,694.30, 20,280.74 and 8,321.26 is: 11,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.30 : 20,280.74 = 8,321.26 : x
  2. Step 2: Convert to fraction form
    14,694.30/20,280.74 = 8,321.26/x
  3. Step 3: Cross multiply
    14,694.30x = 20,280.74 × 8,321.26
  4. Step 4: Simplify right side
    14,694.30x = 168,761,310.53
  5. Step 5: Solve for x
    x = 168,761,310.53/14,694.30
  6. Step 6: Final answer
    x = 11,484.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.