Home / 11,186.94-15,440.86-6,473.96

Finding the Fourth Proportional to 11,186.94, 15,440.86 and 6,473.96

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Solution

The fourth proportional to 11,186.94, 15,440.86 and 6,473.96 is: 8,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.94 : 15,440.86 = 6,473.96 : x
  2. Step 2: Convert to fraction form
    11,186.94/15,440.86 = 6,473.96/x
  3. Step 3: Cross multiply
    11,186.94x = 15,440.86 × 6,473.96
  4. Step 4: Simplify right side
    11,186.94x = 99,963,510.01
  5. Step 5: Solve for x
    x = 99,963,510.01/11,186.94
  6. Step 6: Final answer
    x = 8,935.73

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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.