Home / 13,379.16-18,462.98-7,410.82

Finding the Fourth Proportional to 13,379.16, 18,462.98 and 7,410.82

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Solution

The fourth proportional to 13,379.16, 18,462.98 and 7,410.82 is: 10,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.16 : 18,462.98 = 7,410.82 : x
  2. Step 2: Convert to fraction form
    13,379.16/18,462.98 = 7,410.82/x
  3. Step 3: Cross multiply
    13,379.16x = 18,462.98 × 7,410.82
  4. Step 4: Simplify right side
    13,379.16x = 136,825,821.44
  5. Step 5: Solve for x
    x = 136,825,821.44/13,379.16
  6. Step 6: Final answer
    x = 10,226.79

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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.