Home / 11,964.06-16,509.92-6,658.76

Finding the Fourth Proportional to 11,964.06, 16,509.92 and 6,658.76

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Solution

The fourth proportional to 11,964.06, 16,509.92 and 6,658.76 is: 9,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.06 : 16,509.92 = 6,658.76 : x
  2. Step 2: Convert to fraction form
    11,964.06/16,509.92 = 6,658.76/x
  3. Step 3: Cross multiply
    11,964.06x = 16,509.92 × 6,658.76
  4. Step 4: Simplify right side
    11,964.06x = 109,935,602.88
  5. Step 5: Solve for x
    x = 109,935,602.88/11,964.06
  6. Step 6: Final answer
    x = 9,188.82

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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.