Home / 19,851.02-29,788.87-12,369.26

Finding the Fourth Proportional to 19,851.02, 29,788.87 and 12,369.26

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Solution

The fourth proportional to 19,851.02, 29,788.87 and 12,369.26 is: 18,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.02 : 29,788.87 = 12,369.26 : x
  2. Step 2: Convert to fraction form
    19,851.02/29,788.87 = 12,369.26/x
  3. Step 3: Cross multiply
    19,851.02x = 29,788.87 × 12,369.26
  4. Step 4: Simplify right side
    19,851.02x = 368,466,321.69
  5. Step 5: Solve for x
    x = 368,466,321.69/19,851.02
  6. Step 6: Final answer
    x = 18,561.59

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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.