Home / 13,046.28-18,003.94-7,077.96

Finding the Fourth Proportional to 13,046.28, 18,003.94 and 7,077.96

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Solution

The fourth proportional to 13,046.28, 18,003.94 and 7,077.96 is: 9,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.28 : 18,003.94 = 7,077.96 : x
  2. Step 2: Convert to fraction form
    13,046.28/18,003.94 = 7,077.96/x
  3. Step 3: Cross multiply
    13,046.28x = 18,003.94 × 7,077.96
  4. Step 4: Simplify right side
    13,046.28x = 127,431,167.16
  5. Step 5: Solve for x
    x = 127,431,167.16/13,046.28
  6. Step 6: Final answer
    x = 9,767.62

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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.