Home / 12,182.31-16,811.42-6,877.23

Finding the Fourth Proportional to 12,182.31, 16,811.42 and 6,877.23

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Solution

The fourth proportional to 12,182.31, 16,811.42 and 6,877.23 is: 9,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.31 : 16,811.42 = 6,877.23 : x
  2. Step 2: Convert to fraction form
    12,182.31/16,811.42 = 6,877.23/x
  3. Step 3: Cross multiply
    12,182.31x = 16,811.42 × 6,877.23
  4. Step 4: Simplify right side
    12,182.31x = 115,616,019.16
  5. Step 5: Solve for x
    x = 115,616,019.16/12,182.31
  6. Step 6: Final answer
    x = 9,490.48

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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.