Home / 14,814.85-20,446.41-8,443.76

Finding the Fourth Proportional to 14,814.85, 20,446.41 and 8,443.76

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Solution

The fourth proportional to 14,814.85, 20,446.41 and 8,443.76 is: 11,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.85 : 20,446.41 = 8,443.76 : x
  2. Step 2: Convert to fraction form
    14,814.85/20,446.41 = 8,443.76/x
  3. Step 3: Cross multiply
    14,814.85x = 20,446.41 × 8,443.76
  4. Step 4: Simplify right side
    14,814.85x = 172,644,661.68
  5. Step 5: Solve for x
    x = 172,644,661.68/14,814.85
  6. Step 6: Final answer
    x = 11,653.49

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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.