Home / 19,851.02-29,786.98-8,765.36

Finding the Fourth Proportional to 19,851.02, 29,786.98 and 8,765.36

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Solution

The fourth proportional to 19,851.02, 29,786.98 and 8,765.36 is: 13,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.02 : 29,786.98 = 8,765.36 : x
  2. Step 2: Convert to fraction form
    19,851.02/29,786.98 = 8,765.36/x
  3. Step 3: Cross multiply
    19,851.02x = 29,786.98 × 8,765.36
  4. Step 4: Simplify right side
    19,851.02x = 261,093,603.01
  5. Step 5: Solve for x
    x = 261,093,603.01/19,851.02
  6. Step 6: Final answer
    x = 13,152.65

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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.