Home / 14,770.77-20,383.16-8,799.34

Finding the Fourth Proportional to 14,770.77, 20,383.16 and 8,799.34

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Solution

The fourth proportional to 14,770.77, 20,383.16 and 8,799.34 is: 12,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.77 : 20,383.16 = 8,799.34 : x
  2. Step 2: Convert to fraction form
    14,770.77/20,383.16 = 8,799.34/x
  3. Step 3: Cross multiply
    14,770.77x = 20,383.16 × 8,799.34
  4. Step 4: Simplify right side
    14,770.77x = 179,358,260.16
  5. Step 5: Solve for x
    x = 179,358,260.16/14,770.77
  6. Step 6: Final answer
    x = 12,142.78

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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.