Home / 14,778.30-20,393.88-8,063.99

Finding the Fourth Proportional to 14,778.30, 20,393.88 and 8,063.99

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Solution

The fourth proportional to 14,778.30, 20,393.88 and 8,063.99 is: 11,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.30 : 20,393.88 = 8,063.99 : x
  2. Step 2: Convert to fraction form
    14,778.30/20,393.88 = 8,063.99/x
  3. Step 3: Cross multiply
    14,778.30x = 20,393.88 × 8,063.99
  4. Step 4: Simplify right side
    14,778.30x = 164,456,044.38
  5. Step 5: Solve for x
    x = 164,456,044.38/14,778.30
  6. Step 6: Final answer
    x = 11,128.21

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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.