Home / 14,776.12-20,388.25-8,808.34

Finding the Fourth Proportional to 14,776.12, 20,388.25 and 8,808.34

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Solution

The fourth proportional to 14,776.12, 20,388.25 and 8,808.34 is: 12,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.12 : 20,388.25 = 8,808.34 : x
  2. Step 2: Convert to fraction form
    14,776.12/20,388.25 = 8,808.34/x
  3. Step 3: Cross multiply
    14,776.12x = 20,388.25 × 8,808.34
  4. Step 4: Simplify right side
    14,776.12x = 179,586,593.96
  5. Step 5: Solve for x
    x = 179,586,593.96/14,776.12
  6. Step 6: Final answer
    x = 12,153.84

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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.