Home / 14,829.21-20,464.13-8,114.81

Finding the Fourth Proportional to 14,829.21, 20,464.13 and 8,114.81

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Solution

The fourth proportional to 14,829.21, 20,464.13 and 8,114.81 is: 11,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.21 : 20,464.13 = 8,114.81 : x
  2. Step 2: Convert to fraction form
    14,829.21/20,464.13 = 8,114.81/x
  3. Step 3: Cross multiply
    14,829.21x = 20,464.13 × 8,114.81
  4. Step 4: Simplify right side
    14,829.21x = 166,062,486.19
  5. Step 5: Solve for x
    x = 166,062,486.19/14,829.21
  6. Step 6: Final answer
    x = 11,198.34

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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.