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Finding the Fourth Proportional to 16,481.65, 24,727.95 and 6,615.85

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Solution

The fourth proportional to 16,481.65, 24,727.95 and 6,615.85 is: 9,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,481.65 : 24,727.95 = 6,615.85 : x
  2. Step 2: Convert to fraction form
    16,481.65/24,727.95 = 6,615.85/x
  3. Step 3: Cross multiply
    16,481.65x = 24,727.95 × 6,615.85
  4. Step 4: Simplify right side
    16,481.65x = 163,596,374.93
  5. Step 5: Solve for x
    x = 163,596,374.93/16,481.65
  6. Step 6: Final answer
    x = 9,925.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.