Home / 20,952.27-31,427.46-6,161.67

Finding the Fourth Proportional to 20,952.27, 31,427.46 and 6,161.67

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Solution

The fourth proportional to 20,952.27, 31,427.46 and 6,161.67 is: 9,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.27 : 31,427.46 = 6,161.67 : x
  2. Step 2: Convert to fraction form
    20,952.27/31,427.46 = 6,161.67/x
  3. Step 3: Cross multiply
    20,952.27x = 31,427.46 × 6,161.67
  4. Step 4: Simplify right side
    20,952.27x = 193,645,637.46
  5. Step 5: Solve for x
    x = 193,645,637.46/20,952.27
  6. Step 6: Final answer
    x = 9,242.23

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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.