Home / 14,776.44-20,388.69-8,808.66

Finding the Fourth Proportional to 14,776.44, 20,388.69 and 8,808.66

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Solution

The fourth proportional to 14,776.44, 20,388.69 and 8,808.66 is: 12,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.44 : 20,388.69 = 8,808.66 : x
  2. Step 2: Convert to fraction form
    14,776.44/20,388.69 = 8,808.66/x
  3. Step 3: Cross multiply
    14,776.44x = 20,388.69 × 8,808.66
  4. Step 4: Simplify right side
    14,776.44x = 179,597,096.57
  5. Step 5: Solve for x
    x = 179,597,096.57/14,776.44
  6. Step 6: Final answer
    x = 12,154.29

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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.