Home / 13,300.21-19,951.26-5,398.93

Finding the Fourth Proportional to 13,300.21, 19,951.26 and 5,398.93

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Solution

The fourth proportional to 13,300.21, 19,951.26 and 5,398.93 is: 8,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.21 : 19,951.26 = 5,398.93 : x
  2. Step 2: Convert to fraction form
    13,300.21/19,951.26 = 5,398.93/x
  3. Step 3: Cross multiply
    13,300.21x = 19,951.26 × 5,398.93
  4. Step 4: Simplify right side
    13,300.21x = 107,715,456.15
  5. Step 5: Solve for x
    x = 107,715,456.15/13,300.21
  6. Step 6: Final answer
    x = 8,098.78

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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.