Home / 12,137.30-16,749.79-6,832.31

Finding the Fourth Proportional to 12,137.30, 16,749.79 and 6,832.31

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Solution

The fourth proportional to 12,137.30, 16,749.79 and 6,832.31 is: 9,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.30 : 16,749.79 = 6,832.31 : x
  2. Step 2: Convert to fraction form
    12,137.30/16,749.79 = 6,832.31/x
  3. Step 3: Cross multiply
    12,137.30x = 16,749.79 × 6,832.31
  4. Step 4: Simplify right side
    12,137.30x = 114,439,639.80
  5. Step 5: Solve for x
    x = 114,439,639.80/12,137.30
  6. Step 6: Final answer
    x = 9,428.76

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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.