Home / 13,097.28-19,644.68-8,939.54

Finding the Fourth Proportional to 13,097.28, 19,644.68 and 8,939.54

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Solution

The fourth proportional to 13,097.28, 19,644.68 and 8,939.54 is: 13,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.28 : 19,644.68 = 8,939.54 : x
  2. Step 2: Convert to fraction form
    13,097.28/19,644.68 = 8,939.54/x
  3. Step 3: Cross multiply
    13,097.28x = 19,644.68 × 8,939.54
  4. Step 4: Simplify right side
    13,097.28x = 175,614,402.65
  5. Step 5: Solve for x
    x = 175,614,402.65/13,097.28
  6. Step 6: Final answer
    x = 13,408.46

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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.