Home / 15,452.53-21,327.69-8,738.44

Finding the Fourth Proportional to 15,452.53, 21,327.69 and 8,738.44

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Solution

The fourth proportional to 15,452.53, 21,327.69 and 8,738.44 is: 12,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.53 : 21,327.69 = 8,738.44 : x
  2. Step 2: Convert to fraction form
    15,452.53/21,327.69 = 8,738.44/x
  3. Step 3: Cross multiply
    15,452.53x = 21,327.69 × 8,738.44
  4. Step 4: Simplify right side
    15,452.53x = 186,370,739.40
  5. Step 5: Solve for x
    x = 186,370,739.40/15,452.53
  6. Step 6: Final answer
    x = 12,060.86

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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.