Home / 14,757.18-20,365.89-8,383.70

Finding the Fourth Proportional to 14,757.18, 20,365.89 and 8,383.70

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Solution

The fourth proportional to 14,757.18, 20,365.89 and 8,383.70 is: 11,570.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.18 : 20,365.89 = 8,383.70 : x
  2. Step 2: Convert to fraction form
    14,757.18/20,365.89 = 8,383.70/x
  3. Step 3: Cross multiply
    14,757.18x = 20,365.89 × 8,383.70
  4. Step 4: Simplify right side
    14,757.18x = 170,741,410.16
  5. Step 5: Solve for x
    x = 170,741,410.16/14,757.18
  6. Step 6: Final answer
    x = 11,570.06

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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.