Home / 20,015.52-30,007.07-8,337.48

Finding the Fourth Proportional to 20,015.52, 30,007.07 and 8,337.48

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Solution

The fourth proportional to 20,015.52, 30,007.07 and 8,337.48 is: 12,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.52 : 30,007.07 = 8,337.48 : x
  2. Step 2: Convert to fraction form
    20,015.52/30,007.07 = 8,337.48/x
  3. Step 3: Cross multiply
    20,015.52x = 30,007.07 × 8,337.48
  4. Step 4: Simplify right side
    20,015.52x = 250,183,345.98
  5. Step 5: Solve for x
    x = 250,183,345.98/20,015.52
  6. Step 6: Final answer
    x = 12,499.47

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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.