Home / 11,193.86-15,446.42-6,412.89

Finding the Fourth Proportional to 11,193.86, 15,446.42 and 6,412.89

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Solution

The fourth proportional to 11,193.86, 15,446.42 and 6,412.89 is: 8,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.86 : 15,446.42 = 6,412.89 : x
  2. Step 2: Convert to fraction form
    11,193.86/15,446.42 = 6,412.89/x
  3. Step 3: Cross multiply
    11,193.86x = 15,446.42 × 6,412.89
  4. Step 4: Simplify right side
    11,193.86x = 99,056,160.29
  5. Step 5: Solve for x
    x = 99,056,160.29/11,193.86
  6. Step 6: Final answer
    x = 8,849.16

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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.