Home / 16,990.81-25,484.23-4,511.80

Finding the Fourth Proportional to 16,990.81, 25,484.23 and 4,511.80

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Solution

The fourth proportional to 16,990.81, 25,484.23 and 4,511.80 is: 6,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.81 : 25,484.23 = 4,511.80 : x
  2. Step 2: Convert to fraction form
    16,990.81/25,484.23 = 4,511.80/x
  3. Step 3: Cross multiply
    16,990.81x = 25,484.23 × 4,511.80
  4. Step 4: Simplify right side
    16,990.81x = 114,979,786.41
  5. Step 5: Solve for x
    x = 114,979,786.41/16,990.81
  6. Step 6: Final answer
    x = 6,767.18

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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.