Home / 13,297.15-19,945.73-10,377.91

Finding the Fourth Proportional to 13,297.15, 19,945.73 and 10,377.91

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Solution

The fourth proportional to 13,297.15, 19,945.73 and 10,377.91 is: 15,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.15 : 19,945.73 = 10,377.91 : x
  2. Step 2: Convert to fraction form
    13,297.15/19,945.73 = 10,377.91/x
  3. Step 3: Cross multiply
    13,297.15x = 19,945.73 × 10,377.91
  4. Step 4: Simplify right side
    13,297.15x = 206,994,990.82
  5. Step 5: Solve for x
    x = 206,994,990.82/13,297.15
  6. Step 6: Final answer
    x = 15,566.87

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.