Home / 11,718.07-16,170.92-6,412.89

Finding the Fourth Proportional to 11,718.07, 16,170.92 and 6,412.89

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Solution

The fourth proportional to 11,718.07, 16,170.92 and 6,412.89 is: 8,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.07 : 16,170.92 = 6,412.89 : x
  2. Step 2: Convert to fraction form
    11,718.07/16,170.92 = 6,412.89/x
  3. Step 3: Cross multiply
    11,718.07x = 16,170.92 × 6,412.89
  4. Step 4: Simplify right side
    11,718.07x = 103,702,331.16
  5. Step 5: Solve for x
    x = 103,702,331.16/11,718.07
  6. Step 6: Final answer
    x = 8,849.78

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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.