Home / 14,942.29-20,619.55-8,226.65

Finding the Fourth Proportional to 14,942.29, 20,619.55 and 8,226.65

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Solution

The fourth proportional to 14,942.29, 20,619.55 and 8,226.65 is: 11,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.29 : 20,619.55 = 8,226.65 : x
  2. Step 2: Convert to fraction form
    14,942.29/20,619.55 = 8,226.65/x
  3. Step 3: Cross multiply
    14,942.29x = 20,619.55 × 8,226.65
  4. Step 4: Simplify right side
    14,942.29x = 169,629,697.34
  5. Step 5: Solve for x
    x = 169,629,697.34/14,942.29
  6. Step 6: Final answer
    x = 11,352.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.