Home / 13,379.29-18,463.53-8,073.08

Finding the Fourth Proportional to 13,379.29, 18,463.53 and 8,073.08

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Solution

The fourth proportional to 13,379.29, 18,463.53 and 8,073.08 is: 11,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.29 : 18,463.53 = 8,073.08 : x
  2. Step 2: Convert to fraction form
    13,379.29/18,463.53 = 8,073.08/x
  3. Step 3: Cross multiply
    13,379.29x = 18,463.53 × 8,073.08
  4. Step 4: Simplify right side
    13,379.29x = 149,057,561.97
  5. Step 5: Solve for x
    x = 149,057,561.97/13,379.29
  6. Step 6: Final answer
    x = 11,140.92

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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.