Home / 11,964.40-16,510.20-6,658.96

Finding the Fourth Proportional to 11,964.40, 16,510.20 and 6,658.96

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Solution

The fourth proportional to 11,964.40, 16,510.20 and 6,658.96 is: 9,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.40 : 16,510.20 = 6,658.96 : x
  2. Step 2: Convert to fraction form
    11,964.40/16,510.20 = 6,658.96/x
  3. Step 3: Cross multiply
    11,964.40x = 16,510.20 × 6,658.96
  4. Step 4: Simplify right side
    11,964.40x = 109,940,761.39
  5. Step 5: Solve for x
    x = 109,940,761.39/11,964.40
  6. Step 6: Final answer
    x = 9,188.99

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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.