Home / 14,573.44-20,113.68-8,287.84

Finding the Fourth Proportional to 14,573.44, 20,113.68 and 8,287.84

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Solution

The fourth proportional to 14,573.44, 20,113.68 and 8,287.84 is: 11,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.44 : 20,113.68 = 8,287.84 : x
  2. Step 2: Convert to fraction form
    14,573.44/20,113.68 = 8,287.84/x
  3. Step 3: Cross multiply
    14,573.44x = 20,113.68 × 8,287.84
  4. Step 4: Simplify right side
    14,573.44x = 166,698,961.65
  5. Step 5: Solve for x
    x = 166,698,961.65/14,573.44
  6. Step 6: Final answer
    x = 11,438.55

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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.