Home / 10,855.36-16,282.74-3,460.26

Finding the Fourth Proportional to 10,855.36, 16,282.74 and 3,460.26

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Solution

The fourth proportional to 10,855.36, 16,282.74 and 3,460.26 is: 5,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.36 : 16,282.74 = 3,460.26 : x
  2. Step 2: Convert to fraction form
    10,855.36/16,282.74 = 3,460.26/x
  3. Step 3: Cross multiply
    10,855.36x = 16,282.74 × 3,460.26
  4. Step 4: Simplify right side
    10,855.36x = 56,342,513.91
  5. Step 5: Solve for x
    x = 56,342,513.91/10,855.36
  6. Step 6: Final answer
    x = 5,190.29

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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.