Home / 15,190.28-22,785.24-6,419.24

Finding the Fourth Proportional to 15,190.28, 22,785.24 and 6,419.24

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Solution

The fourth proportional to 15,190.28, 22,785.24 and 6,419.24 is: 9,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.28 : 22,785.24 = 6,419.24 : x
  2. Step 2: Convert to fraction form
    15,190.28/22,785.24 = 6,419.24/x
  3. Step 3: Cross multiply
    15,190.28x = 22,785.24 × 6,419.24
  4. Step 4: Simplify right side
    15,190.28x = 146,263,924.02
  5. Step 5: Solve for x
    x = 146,263,924.02/15,190.28
  6. Step 6: Final answer
    x = 9,628.78

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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.