Home / 12,254.08-16,890.96-8,273.92

Finding the Fourth Proportional to 12,254.08, 16,890.96 and 8,273.92

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Solution

The fourth proportional to 12,254.08, 16,890.96 and 8,273.92 is: 11,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.08 : 16,890.96 = 8,273.92 : x
  2. Step 2: Convert to fraction form
    12,254.08/16,890.96 = 8,273.92/x
  3. Step 3: Cross multiply
    12,254.08x = 16,890.96 × 8,273.92
  4. Step 4: Simplify right side
    12,254.08x = 139,754,451.76
  5. Step 5: Solve for x
    x = 139,754,451.76/12,254.08
  6. Step 6: Final answer
    x = 11,404.73

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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.