Home / 12,741.42-17,591.73-9,751.92

Finding the Fourth Proportional to 12,741.42, 17,591.73 and 9,751.92

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Solution

The fourth proportional to 12,741.42, 17,591.73 and 9,751.92 is: 13,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.42 : 17,591.73 = 9,751.92 : x
  2. Step 2: Convert to fraction form
    12,741.42/17,591.73 = 9,751.92/x
  3. Step 3: Cross multiply
    12,741.42x = 17,591.73 × 9,751.92
  4. Step 4: Simplify right side
    12,741.42x = 171,553,143.62
  5. Step 5: Solve for x
    x = 171,553,143.62/12,741.42
  6. Step 6: Final answer
    x = 13,464.21

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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.