Home / 15,553.90-23,305.20-8,968.60

Finding the Fourth Proportional to 15,553.90, 23,305.20 and 8,968.60

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Solution

The fourth proportional to 15,553.90, 23,305.20 and 8,968.60 is: 13,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.90 : 23,305.20 = 8,968.60 : x
  2. Step 2: Convert to fraction form
    15,553.90/23,305.20 = 8,968.60/x
  3. Step 3: Cross multiply
    15,553.90x = 23,305.20 × 8,968.60
  4. Step 4: Simplify right side
    15,553.90x = 209,015,016.72
  5. Step 5: Solve for x
    x = 209,015,016.72/15,553.90
  6. Step 6: Final answer
    x = 13,438.11

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1.5x scale

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.