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Finding the Fourth Proportional to 9,455.27, 14,181.19 and 4,774.19

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Solution

The fourth proportional to 9,455.27, 14,181.19 and 4,774.19 is: 7,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.27 : 14,181.19 = 4,774.19 : x
  2. Step 2: Convert to fraction form
    9,455.27/14,181.19 = 4,774.19/x
  3. Step 3: Cross multiply
    9,455.27x = 14,181.19 × 4,774.19
  4. Step 4: Simplify right side
    9,455.27x = 67,703,612.64
  5. Step 5: Solve for x
    x = 67,703,612.64/9,455.27
  6. Step 6: Final answer
    x = 7,160.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.