Home / 11,781.26-16,258.14-6,476.16

Finding the Fourth Proportional to 11,781.26, 16,258.14 and 6,476.16

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Solution

The fourth proportional to 11,781.26, 16,258.14 and 6,476.16 is: 8,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.26 : 16,258.14 = 6,476.16 : x
  2. Step 2: Convert to fraction form
    11,781.26/16,258.14 = 6,476.16/x
  3. Step 3: Cross multiply
    11,781.26x = 16,258.14 × 6,476.16
  4. Step 4: Simplify right side
    11,781.26x = 105,290,315.94
  5. Step 5: Solve for x
    x = 105,290,315.94/11,781.26
  6. Step 6: Final answer
    x = 8,937.11

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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.