Home / 12,192.96-16,826.40-6,604

Finding the Fourth Proportional to 12,192.96, 16,826.40 and 6,604

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Solution

The fourth proportional to 12,192.96, 16,826.40 and 6,604 is: 9,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.96 : 16,826.40 = 6,604 : x
  2. Step 2: Convert to fraction form
    12,192.96/16,826.40 = 6,604/x
  3. Step 3: Cross multiply
    12,192.96x = 16,826.40 × 6,604
  4. Step 4: Simplify right side
    12,192.96x = 111,121,545.60
  5. Step 5: Solve for x
    x = 111,121,545.60/12,192.96
  6. Step 6: Final answer
    x = 9,113.58

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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.