Home / 13,835.26-20,760.99-5,070.79

Finding the Fourth Proportional to 13,835.26, 20,760.99 and 5,070.79

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Solution

The fourth proportional to 13,835.26, 20,760.99 and 5,070.79 is: 7,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.26 : 20,760.99 = 5,070.79 : x
  2. Step 2: Convert to fraction form
    13,835.26/20,760.99 = 5,070.79/x
  3. Step 3: Cross multiply
    13,835.26x = 20,760.99 × 5,070.79
  4. Step 4: Simplify right side
    13,835.26x = 105,274,620.48
  5. Step 5: Solve for x
    x = 105,274,620.48/13,835.26
  6. Step 6: Final answer
    x = 7,609.15

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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.