Home / 11,384.73-15,706.35-6,906.86

Finding the Fourth Proportional to 11,384.73, 15,706.35 and 6,906.86

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Solution

The fourth proportional to 11,384.73, 15,706.35 and 6,906.86 is: 9,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.73 : 15,706.35 = 6,906.86 : x
  2. Step 2: Convert to fraction form
    11,384.73/15,706.35 = 6,906.86/x
  3. Step 3: Cross multiply
    11,384.73x = 15,706.35 × 6,906.86
  4. Step 4: Simplify right side
    11,384.73x = 108,481,482.03
  5. Step 5: Solve for x
    x = 108,481,482.03/11,384.73
  6. Step 6: Final answer
    x = 9,528.68

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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.