Home / 14,847.21-20,499.12-9,472.68

Finding the Fourth Proportional to 14,847.21, 20,499.12 and 9,472.68

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Solution

The fourth proportional to 14,847.21, 20,499.12 and 9,472.68 is: 13,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.21 : 20,499.12 = 9,472.68 : x
  2. Step 2: Convert to fraction form
    14,847.21/20,499.12 = 9,472.68/x
  3. Step 3: Cross multiply
    14,847.21x = 20,499.12 × 9,472.68
  4. Step 4: Simplify right side
    14,847.21x = 194,181,604.04
  5. Step 5: Solve for x
    x = 194,181,604.04/14,847.21
  6. Step 6: Final answer
    x = 13,078.66

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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.