Home / 20,242.48-30,367.29-6,912.35

Finding the Fourth Proportional to 20,242.48, 30,367.29 and 6,912.35

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Solution

The fourth proportional to 20,242.48, 30,367.29 and 6,912.35 is: 10,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.48 : 30,367.29 = 6,912.35 : x
  2. Step 2: Convert to fraction form
    20,242.48/30,367.29 = 6,912.35/x
  3. Step 3: Cross multiply
    20,242.48x = 30,367.29 × 6,912.35
  4. Step 4: Simplify right side
    20,242.48x = 209,909,348.82
  5. Step 5: Solve for x
    x = 209,909,348.82/20,242.48
  6. Step 6: Final answer
    x = 10,369.75

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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.