Home / 10,855.08-16,283.81-3,457.80

Finding the Fourth Proportional to 10,855.08, 16,283.81 and 3,457.80

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Solution

The fourth proportional to 10,855.08, 16,283.81 and 3,457.80 is: 5,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.08 : 16,283.81 = 3,457.80 : x
  2. Step 2: Convert to fraction form
    10,855.08/16,283.81 = 3,457.80/x
  3. Step 3: Cross multiply
    10,855.08x = 16,283.81 × 3,457.80
  4. Step 4: Simplify right side
    10,855.08x = 56,306,158.22
  5. Step 5: Solve for x
    x = 56,306,158.22/10,855.08
  6. Step 6: Final answer
    x = 5,187.08

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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.