Home / 11,009.12-16,513.67-3,217.93

Finding the Fourth Proportional to 11,009.12, 16,513.67 and 3,217.93

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Solution

The fourth proportional to 11,009.12, 16,513.67 and 3,217.93 is: 4,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.12 : 16,513.67 = 3,217.93 : x
  2. Step 2: Convert to fraction form
    11,009.12/16,513.67 = 3,217.93/x
  3. Step 3: Cross multiply
    11,009.12x = 16,513.67 × 3,217.93
  4. Step 4: Simplify right side
    11,009.12x = 53,139,800.86
  5. Step 5: Solve for x
    x = 53,139,800.86/11,009.12
  6. Step 6: Final answer
    x = 4,826.89

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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.