Home / 12,085.31-16,677.27-6,780.41

Finding the Fourth Proportional to 12,085.31, 16,677.27 and 6,780.41

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Solution

The fourth proportional to 12,085.31, 16,677.27 and 6,780.41 is: 9,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.31 : 16,677.27 = 6,780.41 : x
  2. Step 2: Convert to fraction form
    12,085.31/16,677.27 = 6,780.41/x
  3. Step 3: Cross multiply
    12,085.31x = 16,677.27 × 6,780.41
  4. Step 4: Simplify right side
    12,085.31x = 113,078,769.97
  5. Step 5: Solve for x
    x = 113,078,769.97/12,085.31
  6. Step 6: Final answer
    x = 9,356.72

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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.