Home / 11,141.42-15,372.77-6,605.54

Finding the Fourth Proportional to 11,141.42, 15,372.77 and 6,605.54

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Solution

The fourth proportional to 11,141.42, 15,372.77 and 6,605.54 is: 9,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.42 : 15,372.77 = 6,605.54 : x
  2. Step 2: Convert to fraction form
    11,141.42/15,372.77 = 6,605.54/x
  3. Step 3: Cross multiply
    11,141.42x = 15,372.77 × 6,605.54
  4. Step 4: Simplify right side
    11,141.42x = 101,545,337.25
  5. Step 5: Solve for x
    x = 101,545,337.25/11,141.42
  6. Step 6: Final answer
    x = 9,114.22

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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.