Home / 20,107.07-30,152.49-6,062.75

Finding the Fourth Proportional to 20,107.07, 30,152.49 and 6,062.75

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Solution

The fourth proportional to 20,107.07, 30,152.49 and 6,062.75 is: 9,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.07 : 30,152.49 = 6,062.75 : x
  2. Step 2: Convert to fraction form
    20,107.07/30,152.49 = 6,062.75/x
  3. Step 3: Cross multiply
    20,107.07x = 30,152.49 × 6,062.75
  4. Step 4: Simplify right side
    20,107.07x = 182,807,008.75
  5. Step 5: Solve for x
    x = 182,807,008.75/20,107.07
  6. Step 6: Final answer
    x = 9,091.68

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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.