Home / 20,351.28-30,527.46-6,500.28

Finding the Fourth Proportional to 20,351.28, 30,527.46 and 6,500.28

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Solution

The fourth proportional to 20,351.28, 30,527.46 and 6,500.28 is: 9,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.28 : 30,527.46 = 6,500.28 : x
  2. Step 2: Convert to fraction form
    20,351.28/30,527.46 = 6,500.28/x
  3. Step 3: Cross multiply
    20,351.28x = 30,527.46 × 6,500.28
  4. Step 4: Simplify right side
    20,351.28x = 198,437,037.69
  5. Step 5: Solve for x
    x = 198,437,037.69/20,351.28
  6. Step 6: Final answer
    x = 9,750.59

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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.