Home / 11,203.02-16,781.88-5,648.64

Finding the Fourth Proportional to 11,203.02, 16,781.88 and 5,648.64

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Solution

The fourth proportional to 11,203.02, 16,781.88 and 5,648.64 is: 8,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.02 : 16,781.88 = 5,648.64 : x
  2. Step 2: Convert to fraction form
    11,203.02/16,781.88 = 5,648.64/x
  3. Step 3: Cross multiply
    11,203.02x = 16,781.88 × 5,648.64
  4. Step 4: Simplify right side
    11,203.02x = 94,794,798.64
  5. Step 5: Solve for x
    x = 94,794,798.64/11,203.02
  6. Step 6: Final answer
    x = 8,461.54

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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.