Home / 20,771.73-31,119.96-9,536.46

Finding the Fourth Proportional to 20,771.73, 31,119.96 and 9,536.46

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Solution

The fourth proportional to 20,771.73, 31,119.96 and 9,536.46 is: 14,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771.73 : 31,119.96 = 9,536.46 : x
  2. Step 2: Convert to fraction form
    20,771.73/31,119.96 = 9,536.46/x
  3. Step 3: Cross multiply
    20,771.73x = 31,119.96 × 9,536.46
  4. Step 4: Simplify right side
    20,771.73x = 296,774,253.74
  5. Step 5: Solve for x
    x = 296,774,253.74/20,771.73
  6. Step 6: Final answer
    x = 14,287.41

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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.