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Finding the Fourth Proportional to 9,014.72, 13,509.12 and 3,813.44

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Solution

The fourth proportional to 9,014.72, 13,509.12 and 3,813.44 is: 5,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.72 : 13,509.12 = 3,813.44 : x
  2. Step 2: Convert to fraction form
    9,014.72/13,509.12 = 3,813.44/x
  3. Step 3: Cross multiply
    9,014.72x = 13,509.12 × 3,813.44
  4. Step 4: Simplify right side
    9,014.72x = 51,516,218.57
  5. Step 5: Solve for x
    x = 51,516,218.57/9,014.72
  6. Step 6: Final answer
    x = 5,714.68

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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.