Home / 19,671.47-27,144.34-12,010.89

Finding the Fourth Proportional to 19,671.47, 27,144.34 and 12,010.89

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Solution

The fourth proportional to 19,671.47, 27,144.34 and 12,010.89 is: 16,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.47 : 27,144.34 = 12,010.89 : x
  2. Step 2: Convert to fraction form
    19,671.47/27,144.34 = 12,010.89/x
  3. Step 3: Cross multiply
    19,671.47x = 27,144.34 × 12,010.89
  4. Step 4: Simplify right side
    19,671.47x = 326,027,651.84
  5. Step 5: Solve for x
    x = 326,027,651.84/19,671.47
  6. Step 6: Final answer
    x = 16,573.63

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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.