Home / 11,317.02-16,971.33-3,919.50

Finding the Fourth Proportional to 11,317.02, 16,971.33 and 3,919.50

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Solution

The fourth proportional to 11,317.02, 16,971.33 and 3,919.50 is: 5,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.02 : 16,971.33 = 3,919.50 : x
  2. Step 2: Convert to fraction form
    11,317.02/16,971.33 = 3,919.50/x
  3. Step 3: Cross multiply
    11,317.02x = 16,971.33 × 3,919.50
  4. Step 4: Simplify right side
    11,317.02x = 66,519,127.94
  5. Step 5: Solve for x
    x = 66,519,127.94/11,317.02
  6. Step 6: Final answer
    x = 5,877.80

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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.