Home / 13,117.57-19,672.09-4,350.13

Finding the Fourth Proportional to 13,117.57, 19,672.09 and 4,350.13

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Solution

The fourth proportional to 13,117.57, 19,672.09 and 4,350.13 is: 6,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.57 : 19,672.09 = 4,350.13 : x
  2. Step 2: Convert to fraction form
    13,117.57/19,672.09 = 4,350.13/x
  3. Step 3: Cross multiply
    13,117.57x = 19,672.09 × 4,350.13
  4. Step 4: Simplify right side
    13,117.57x = 85,576,148.87
  5. Step 5: Solve for x
    x = 85,576,148.87/13,117.57
  6. Step 6: Final answer
    x = 6,523.78

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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.