Home / 11,122.21-16,683.52-5,197.47

Finding the Fourth Proportional to 11,122.21, 16,683.52 and 5,197.47

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Solution

The fourth proportional to 11,122.21, 16,683.52 and 5,197.47 is: 7,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.21 : 16,683.52 = 5,197.47 : x
  2. Step 2: Convert to fraction form
    11,122.21/16,683.52 = 5,197.47/x
  3. Step 3: Cross multiply
    11,122.21x = 16,683.52 × 5,197.47
  4. Step 4: Simplify right side
    11,122.21x = 86,712,064.07
  5. Step 5: Solve for x
    x = 86,712,064.07/11,122.21
  6. Step 6: Final answer
    x = 7,796.30

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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.