Home / 12,137.89-16,750.61-6,832.90

Finding the Fourth Proportional to 12,137.89, 16,750.61 and 6,832.90

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Solution

The fourth proportional to 12,137.89, 16,750.61 and 6,832.90 is: 9,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.89 : 16,750.61 = 6,832.90 : x
  2. Step 2: Convert to fraction form
    12,137.89/16,750.61 = 6,832.90/x
  3. Step 3: Cross multiply
    12,137.89x = 16,750.61 × 6,832.90
  4. Step 4: Simplify right side
    12,137.89x = 114,455,208.90
  5. Step 5: Solve for x
    x = 114,455,208.90/12,137.89
  6. Step 6: Final answer
    x = 9,429.58

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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.