Home / 20,236.98-30,364.86-7,752.84

Finding the Fourth Proportional to 20,236.98, 30,364.86 and 7,752.84

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Solution

The fourth proportional to 20,236.98, 30,364.86 and 7,752.84 is: 11,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.98 : 30,364.86 = 7,752.84 : x
  2. Step 2: Convert to fraction form
    20,236.98/30,364.86 = 7,752.84/x
  3. Step 3: Cross multiply
    20,236.98x = 30,364.86 × 7,752.84
  4. Step 4: Simplify right side
    20,236.98x = 235,413,901.20
  5. Step 5: Solve for x
    x = 235,413,901.20/20,236.98
  6. Step 6: Final answer
    x = 11,632.86

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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.