Home / 11,222.47-15,487.12-6,186.89

Finding the Fourth Proportional to 11,222.47, 15,487.12 and 6,186.89

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Solution

The fourth proportional to 11,222.47, 15,487.12 and 6,186.89 is: 8,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.47 : 15,487.12 = 6,186.89 : x
  2. Step 2: Convert to fraction form
    11,222.47/15,487.12 = 6,186.89/x
  3. Step 3: Cross multiply
    11,222.47x = 15,487.12 × 6,186.89
  4. Step 4: Simplify right side
    11,222.47x = 95,817,107.86
  5. Step 5: Solve for x
    x = 95,817,107.86/11,222.47
  6. Step 6: Final answer
    x = 8,537.97

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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.