Home / 14,508.27-20,021.99-8,539.65

Finding the Fourth Proportional to 14,508.27, 20,021.99 and 8,539.65

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Solution

The fourth proportional to 14,508.27, 20,021.99 and 8,539.65 is: 11,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.27 : 20,021.99 = 8,539.65 : x
  2. Step 2: Convert to fraction form
    14,508.27/20,021.99 = 8,539.65/x
  3. Step 3: Cross multiply
    14,508.27x = 20,021.99 × 8,539.65
  4. Step 4: Simplify right side
    14,508.27x = 170,980,744.21
  5. Step 5: Solve for x
    x = 170,980,744.21/14,508.27
  6. Step 6: Final answer
    x = 11,785.05

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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.