Home / 11,781.07-16,258.10-6,475.88

Finding the Fourth Proportional to 11,781.07, 16,258.10 and 6,475.88

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Solution

The fourth proportional to 11,781.07, 16,258.10 and 6,475.88 is: 8,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.07 : 16,258.10 = 6,475.88 : x
  2. Step 2: Convert to fraction form
    11,781.07/16,258.10 = 6,475.88/x
  3. Step 3: Cross multiply
    11,781.07x = 16,258.10 × 6,475.88
  4. Step 4: Simplify right side
    11,781.07x = 105,285,512.89
  5. Step 5: Solve for x
    x = 105,285,512.89/11,781.07
  6. Step 6: Final answer
    x = 8,936.84

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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.