Home / 11,510.37-15,883.96-6,474.87

Finding the Fourth Proportional to 11,510.37, 15,883.96 and 6,474.87

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Solution

The fourth proportional to 11,510.37, 15,883.96 and 6,474.87 is: 8,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.37 : 15,883.96 = 6,474.87 : x
  2. Step 2: Convert to fraction form
    11,510.37/15,883.96 = 6,474.87/x
  3. Step 3: Cross multiply
    11,510.37x = 15,883.96 × 6,474.87
  4. Step 4: Simplify right side
    11,510.37x = 102,846,576.09
  5. Step 5: Solve for x
    x = 102,846,576.09/11,510.37
  6. Step 6: Final answer
    x = 8,935.12

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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.