Home / 11,510.36-15,884.84-6,474.54

Finding the Fourth Proportional to 11,510.36, 15,884.84 and 6,474.54

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Solution

The fourth proportional to 11,510.36, 15,884.84 and 6,474.54 is: 8,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.36 : 15,884.84 = 6,474.54 : x
  2. Step 2: Convert to fraction form
    11,510.36/15,884.84 = 6,474.54/x
  3. Step 3: Cross multiply
    11,510.36x = 15,884.84 × 6,474.54
  4. Step 4: Simplify right side
    11,510.36x = 102,847,031.97
  5. Step 5: Solve for x
    x = 102,847,031.97/11,510.36
  6. Step 6: Final answer
    x = 8,935.17

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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.