Home / 12,156.93-16,777.13-6,851.97

Finding the Fourth Proportional to 12,156.93, 16,777.13 and 6,851.97

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Solution

The fourth proportional to 12,156.93, 16,777.13 and 6,851.97 is: 9,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.93 : 16,777.13 = 6,851.97 : x
  2. Step 2: Convert to fraction form
    12,156.93/16,777.13 = 6,851.97/x
  3. Step 3: Cross multiply
    12,156.93x = 16,777.13 × 6,851.97
  4. Step 4: Simplify right side
    12,156.93x = 114,956,357.19
  5. Step 5: Solve for x
    x = 114,956,357.19/12,156.93
  6. Step 6: Final answer
    x = 9,456.04

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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.