Home / 11,964.08-16,508.40-6,658.86

Finding the Fourth Proportional to 11,964.08, 16,508.40 and 6,658.86

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Solution

The fourth proportional to 11,964.08, 16,508.40 and 6,658.86 is: 9,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.08 : 16,508.40 = 6,658.86 : x
  2. Step 2: Convert to fraction form
    11,964.08/16,508.40 = 6,658.86/x
  3. Step 3: Cross multiply
    11,964.08x = 16,508.40 × 6,658.86
  4. Step 4: Simplify right side
    11,964.08x = 109,927,124.42
  5. Step 5: Solve for x
    x = 109,927,124.42/11,964.08
  6. Step 6: Final answer
    x = 9,188.10

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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.