Home / 12,150.19-16,771.14-7,893.76

Finding the Fourth Proportional to 12,150.19, 16,771.14 and 7,893.76

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Solution

The fourth proportional to 12,150.19, 16,771.14 and 7,893.76 is: 10,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.19 : 16,771.14 = 7,893.76 : x
  2. Step 2: Convert to fraction form
    12,150.19/16,771.14 = 7,893.76/x
  3. Step 3: Cross multiply
    12,150.19x = 16,771.14 × 7,893.76
  4. Step 4: Simplify right side
    12,150.19x = 132,387,354.09
  5. Step 5: Solve for x
    x = 132,387,354.09/12,150.19
  6. Step 6: Final answer
    x = 10,895.91

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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.