Home / 11,851.02-17,779.68-3,531.06

Finding the Fourth Proportional to 11,851.02, 17,779.68 and 3,531.06

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Solution

The fourth proportional to 11,851.02, 17,779.68 and 3,531.06 is: 5,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.02 : 17,779.68 = 3,531.06 : x
  2. Step 2: Convert to fraction form
    11,851.02/17,779.68 = 3,531.06/x
  3. Step 3: Cross multiply
    11,851.02x = 17,779.68 × 3,531.06
  4. Step 4: Simplify right side
    11,851.02x = 62,781,116.86
  5. Step 5: Solve for x
    x = 62,781,116.86/11,851.02
  6. Step 6: Final answer
    x = 5,297.53

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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.