Home / 20,634.39-30,932.75-7,483.84

Finding the Fourth Proportional to 20,634.39, 30,932.75 and 7,483.84

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Solution

The fourth proportional to 20,634.39, 30,932.75 and 7,483.84 is: 11,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.39 : 30,932.75 = 7,483.84 : x
  2. Step 2: Convert to fraction form
    20,634.39/30,932.75 = 7,483.84/x
  3. Step 3: Cross multiply
    20,634.39x = 30,932.75 × 7,483.84
  4. Step 4: Simplify right side
    20,634.39x = 231,495,693.14
  5. Step 5: Solve for x
    x = 231,495,693.14/20,634.39
  6. Step 6: Final answer
    x = 11,218.93

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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.