Home / 15,385.02-23,076.45-8,790.54

Finding the Fourth Proportional to 15,385.02, 23,076.45 and 8,790.54

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Solution

The fourth proportional to 15,385.02, 23,076.45 and 8,790.54 is: 13,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.02 : 23,076.45 = 8,790.54 : x
  2. Step 2: Convert to fraction form
    15,385.02/23,076.45 = 8,790.54/x
  3. Step 3: Cross multiply
    15,385.02x = 23,076.45 × 8,790.54
  4. Step 4: Simplify right side
    15,385.02x = 202,854,456.78
  5. Step 5: Solve for x
    x = 202,854,456.78/15,385.02
  6. Step 6: Final answer
    x = 13,185.19

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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.