Home / 13,299.21-19,949.76-5,397.93

Finding the Fourth Proportional to 13,299.21, 19,949.76 and 5,397.93

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Solution

The fourth proportional to 13,299.21, 19,949.76 and 5,397.93 is: 8,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.21 : 19,949.76 = 5,397.93 : x
  2. Step 2: Convert to fraction form
    13,299.21/19,949.76 = 5,397.93/x
  3. Step 3: Cross multiply
    13,299.21x = 19,949.76 × 5,397.93
  4. Step 4: Simplify right side
    13,299.21x = 107,687,408.00
  5. Step 5: Solve for x
    x = 107,687,408.00/13,299.21
  6. Step 6: Final answer
    x = 8,097.28

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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.