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Finding the Fourth Proportional to 14,452.46, 19,946.25 and 8,484.65

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Solution

The fourth proportional to 14,452.46, 19,946.25 and 8,484.65 is: 11,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.46 : 19,946.25 = 8,484.65 : x
  2. Step 2: Convert to fraction form
    14,452.46/19,946.25 = 8,484.65/x
  3. Step 3: Cross multiply
    14,452.46x = 19,946.25 × 8,484.65
  4. Step 4: Simplify right side
    14,452.46x = 169,236,850.33
  5. Step 5: Solve for x
    x = 169,236,850.33/14,452.46
  6. Step 6: Final answer
    x = 11,709.90

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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.