Home / 13,624.24-20,441.22-7,785.76

Finding the Fourth Proportional to 13,624.24, 20,441.22 and 7,785.76

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Solution

The fourth proportional to 13,624.24, 20,441.22 and 7,785.76 is: 11,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.24 : 20,441.22 = 7,785.76 : x
  2. Step 2: Convert to fraction form
    13,624.24/20,441.22 = 7,785.76/x
  3. Step 3: Cross multiply
    13,624.24x = 20,441.22 × 7,785.76
  4. Step 4: Simplify right side
    13,624.24x = 159,150,433.03
  5. Step 5: Solve for x
    x = 159,150,433.03/13,624.24
  6. Step 6: Final answer
    x = 11,681.42

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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.