Home / 12,784.62-19,180.02-6,126.12

Finding the Fourth Proportional to 12,784.62, 19,180.02 and 6,126.12

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Solution

The fourth proportional to 12,784.62, 19,180.02 and 6,126.12 is: 9,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784.62 : 19,180.02 = 6,126.12 : x
  2. Step 2: Convert to fraction form
    12,784.62/19,180.02 = 6,126.12/x
  3. Step 3: Cross multiply
    12,784.62x = 19,180.02 × 6,126.12
  4. Step 4: Simplify right side
    12,784.62x = 117,499,104.12
  5. Step 5: Solve for x
    x = 117,499,104.12/12,784.62
  6. Step 6: Final answer
    x = 9,190.66

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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.