Home / 20,760.17-31,145.44-5,969.09

Finding the Fourth Proportional to 20,760.17, 31,145.44 and 5,969.09

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Solution

The fourth proportional to 20,760.17, 31,145.44 and 5,969.09 is: 8,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760.17 : 31,145.44 = 5,969.09 : x
  2. Step 2: Convert to fraction form
    20,760.17/31,145.44 = 5,969.09/x
  3. Step 3: Cross multiply
    20,760.17x = 31,145.44 × 5,969.09
  4. Step 4: Simplify right side
    20,760.17x = 185,909,763.80
  5. Step 5: Solve for x
    x = 185,909,763.80/20,760.17
  6. Step 6: Final answer
    x = 8,955.12

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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.