Home / 9,147.96-13,720.34-2,572.58

Finding the Fourth Proportional to 9,147.96, 13,720.34 and 2,572.58

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Solution

The fourth proportional to 9,147.96, 13,720.34 and 2,572.58 is: 3,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.96 : 13,720.34 = 2,572.58 : x
  2. Step 2: Convert to fraction form
    9,147.96/13,720.34 = 2,572.58/x
  3. Step 3: Cross multiply
    9,147.96x = 13,720.34 × 2,572.58
  4. Step 4: Simplify right side
    9,147.96x = 35,296,672.28
  5. Step 5: Solve for x
    x = 35,296,672.28/9,147.96
  6. Step 6: Final answer
    x = 3,858.42

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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.