Home / 13,379.29-18,463.93-7,410.83

Finding the Fourth Proportional to 13,379.29, 18,463.93 and 7,410.83

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Solution

The fourth proportional to 13,379.29, 18,463.93 and 7,410.83 is: 10,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.29 : 18,463.93 = 7,410.83 : x
  2. Step 2: Convert to fraction form
    13,379.29/18,463.93 = 7,410.83/x
  3. Step 3: Cross multiply
    13,379.29x = 18,463.93 × 7,410.83
  4. Step 4: Simplify right side
    13,379.29x = 136,833,046.36
  5. Step 5: Solve for x
    x = 136,833,046.36/13,379.29
  6. Step 6: Final answer
    x = 10,227.23

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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.