Home / 11,021.69-15,209.96-6,305.99

Finding the Fourth Proportional to 11,021.69, 15,209.96 and 6,305.99

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Solution

The fourth proportional to 11,021.69, 15,209.96 and 6,305.99 is: 8,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.69 : 15,209.96 = 6,305.99 : x
  2. Step 2: Convert to fraction form
    11,021.69/15,209.96 = 6,305.99/x
  3. Step 3: Cross multiply
    11,021.69x = 15,209.96 × 6,305.99
  4. Step 4: Simplify right side
    11,021.69x = 95,913,748.08
  5. Step 5: Solve for x
    x = 95,913,748.08/11,021.69
  6. Step 6: Final answer
    x = 8,702.27

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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.