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Finding the Fourth Proportional to 14,596.04, 20,142.14 and 8,308.04

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Solution

The fourth proportional to 14,596.04, 20,142.14 and 8,308.04 is: 11,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.04 : 20,142.14 = 8,308.04 : x
  2. Step 2: Convert to fraction form
    14,596.04/20,142.14 = 8,308.04/x
  3. Step 3: Cross multiply
    14,596.04x = 20,142.14 × 8,308.04
  4. Step 4: Simplify right side
    14,596.04x = 167,341,704.81
  5. Step 5: Solve for x
    x = 167,341,704.81/14,596.04
  6. Step 6: Final answer
    x = 11,464.87

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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.