Home / 14,751.83-20,356.00-8,290.44

Finding the Fourth Proportional to 14,751.83, 20,356.00 and 8,290.44

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Solution

The fourth proportional to 14,751.83, 20,356.00 and 8,290.44 is: 11,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.83 : 20,356.00 = 8,290.44 : x
  2. Step 2: Convert to fraction form
    14,751.83/20,356.00 = 8,290.44/x
  3. Step 3: Cross multiply
    14,751.83x = 20,356.00 × 8,290.44
  4. Step 4: Simplify right side
    14,751.83x = 168,760,175.91
  5. Step 5: Solve for x
    x = 168,760,175.91/14,751.83
  6. Step 6: Final answer
    x = 11,439.95

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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.