Home / 14,572.89-20,110.77-8,285.25

Finding the Fourth Proportional to 14,572.89, 20,110.77 and 8,285.25

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Solution

The fourth proportional to 14,572.89, 20,110.77 and 8,285.25 is: 11,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.89 : 20,110.77 = 8,285.25 : x
  2. Step 2: Convert to fraction form
    14,572.89/20,110.77 = 8,285.25/x
  3. Step 3: Cross multiply
    14,572.89x = 20,110.77 × 8,285.25
  4. Step 4: Simplify right side
    14,572.89x = 166,622,757.14
  5. Step 5: Solve for x
    x = 166,622,757.14/14,572.89
  6. Step 6: Final answer
    x = 11,433.75

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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.