Home / 13,160.40-19,738.14-5,763.48

Finding the Fourth Proportional to 13,160.40, 19,738.14 and 5,763.48

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Solution

The fourth proportional to 13,160.40, 19,738.14 and 5,763.48 is: 8,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.40 : 19,738.14 = 5,763.48 : x
  2. Step 2: Convert to fraction form
    13,160.40/19,738.14 = 5,763.48/x
  3. Step 3: Cross multiply
    13,160.40x = 19,738.14 × 5,763.48
  4. Step 4: Simplify right side
    13,160.40x = 113,760,375.13
  5. Step 5: Solve for x
    x = 113,760,375.13/13,160.40
  6. Step 6: Final answer
    x = 8,644.14

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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.