Home / 15,181.02-20,949.30-8,893.26

Finding the Fourth Proportional to 15,181.02, 20,949.30 and 8,893.26

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Solution

The fourth proportional to 15,181.02, 20,949.30 and 8,893.26 is: 12,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.02 : 20,949.30 = 8,893.26 : x
  2. Step 2: Convert to fraction form
    15,181.02/20,949.30 = 8,893.26/x
  3. Step 3: Cross multiply
    15,181.02x = 20,949.30 × 8,893.26
  4. Step 4: Simplify right side
    15,181.02x = 186,307,571.72
  5. Step 5: Solve for x
    x = 186,307,571.72/15,181.02
  6. Step 6: Final answer
    x = 12,272.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.