Home / 12,256.15-16,908.58-8,005.76

Finding the Fourth Proportional to 12,256.15, 16,908.58 and 8,005.76

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Solution

The fourth proportional to 12,256.15, 16,908.58 and 8,005.76 is: 11,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.15 : 16,908.58 = 8,005.76 : x
  2. Step 2: Convert to fraction form
    12,256.15/16,908.58 = 8,005.76/x
  3. Step 3: Cross multiply
    12,256.15x = 16,908.58 × 8,005.76
  4. Step 4: Simplify right side
    12,256.15x = 135,366,033.42
  5. Step 5: Solve for x
    x = 135,366,033.42/12,256.15
  6. Step 6: Final answer
    x = 11,044.74

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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.