Home / 10,790.24-16,194.60-4,221

Finding the Fourth Proportional to 10,790.24, 16,194.60 and 4,221

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Solution

The fourth proportional to 10,790.24, 16,194.60 and 4,221 is: 6,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.24 : 16,194.60 = 4,221 : x
  2. Step 2: Convert to fraction form
    10,790.24/16,194.60 = 4,221/x
  3. Step 3: Cross multiply
    10,790.24x = 16,194.60 × 4,221
  4. Step 4: Simplify right side
    10,790.24x = 68,357,406.60
  5. Step 5: Solve for x
    x = 68,357,406.60/10,790.24
  6. Step 6: Final answer
    x = 6,335.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.