Home / 19,619.02-27,076.71-12,542.86

Finding the Fourth Proportional to 19,619.02, 27,076.71 and 12,542.86

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Solution

The fourth proportional to 19,619.02, 27,076.71 and 12,542.86 is: 17,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.02 : 27,076.71 = 12,542.86 : x
  2. Step 2: Convert to fraction form
    19,619.02/27,076.71 = 12,542.86/x
  3. Step 3: Cross multiply
    19,619.02x = 27,076.71 × 12,542.86
  4. Step 4: Simplify right side
    19,619.02x = 339,619,382.79
  5. Step 5: Solve for x
    x = 339,619,382.79/19,619.02
  6. Step 6: Final answer
    x = 17,310.72

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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.