Home / 10,990.08-16,473.78-4,411.80

Finding the Fourth Proportional to 10,990.08, 16,473.78 and 4,411.80

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Solution

The fourth proportional to 10,990.08, 16,473.78 and 4,411.80 is: 6,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.08 : 16,473.78 = 4,411.80 : x
  2. Step 2: Convert to fraction form
    10,990.08/16,473.78 = 4,411.80/x
  3. Step 3: Cross multiply
    10,990.08x = 16,473.78 × 4,411.80
  4. Step 4: Simplify right side
    10,990.08x = 72,679,022.60
  5. Step 5: Solve for x
    x = 72,679,022.60/10,990.08
  6. Step 6: Final answer
    x = 6,613.15

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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.