Home / 13,767.24-20,624.31-8,225.01

Finding the Fourth Proportional to 13,767.24, 20,624.31 and 8,225.01

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Solution

The fourth proportional to 13,767.24, 20,624.31 and 8,225.01 is: 12,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.24 : 20,624.31 = 8,225.01 : x
  2. Step 2: Convert to fraction form
    13,767.24/20,624.31 = 8,225.01/x
  3. Step 3: Cross multiply
    13,767.24x = 20,624.31 × 8,225.01
  4. Step 4: Simplify right side
    13,767.24x = 169,635,155.99
  5. Step 5: Solve for x
    x = 169,635,155.99/13,767.24
  6. Step 6: Final answer
    x = 12,321.65

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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.