Home / 12,169.55-16,797.57-7,134.86

Finding the Fourth Proportional to 12,169.55, 16,797.57 and 7,134.86

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Solution

The fourth proportional to 12,169.55, 16,797.57 and 7,134.86 is: 9,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.55 : 16,797.57 = 7,134.86 : x
  2. Step 2: Convert to fraction form
    12,169.55/16,797.57 = 7,134.86/x
  3. Step 3: Cross multiply
    12,169.55x = 16,797.57 × 7,134.86
  4. Step 4: Simplify right side
    12,169.55x = 119,848,310.29
  5. Step 5: Solve for x
    x = 119,848,310.29/12,169.55
  6. Step 6: Final answer
    x = 9,848.21

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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.