Home / 13,135.17-19,704.03-4,370.70

Finding the Fourth Proportional to 13,135.17, 19,704.03 and 4,370.70

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Solution

The fourth proportional to 13,135.17, 19,704.03 and 4,370.70 is: 6,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.17 : 19,704.03 = 4,370.70 : x
  2. Step 2: Convert to fraction form
    13,135.17/19,704.03 = 4,370.70/x
  3. Step 3: Cross multiply
    13,135.17x = 19,704.03 × 4,370.70
  4. Step 4: Simplify right side
    13,135.17x = 86,120,403.92
  5. Step 5: Solve for x
    x = 86,120,403.92/13,135.17
  6. Step 6: Final answer
    x = 6,556.47

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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.