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Finding the Fourth Proportional to 9,652.54, 13,321.14 and 5,404.02

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Solution

The fourth proportional to 9,652.54, 13,321.14 and 5,404.02 is: 7,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,652.54 : 13,321.14 = 5,404.02 : x
  2. Step 2: Convert to fraction form
    9,652.54/13,321.14 = 5,404.02/x
  3. Step 3: Cross multiply
    9,652.54x = 13,321.14 × 5,404.02
  4. Step 4: Simplify right side
    9,652.54x = 71,987,706.98
  5. Step 5: Solve for x
    x = 71,987,706.98/9,652.54
  6. Step 6: Final answer
    x = 7,457.90

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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.