Home / 15,755.08-23,634.78-6,989.80

Finding the Fourth Proportional to 15,755.08, 23,634.78 and 6,989.80

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Solution

The fourth proportional to 15,755.08, 23,634.78 and 6,989.80 is: 10,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.08 : 23,634.78 = 6,989.80 : x
  2. Step 2: Convert to fraction form
    15,755.08/23,634.78 = 6,989.80/x
  3. Step 3: Cross multiply
    15,755.08x = 23,634.78 × 6,989.80
  4. Step 4: Simplify right side
    15,755.08x = 165,202,385.24
  5. Step 5: Solve for x
    x = 165,202,385.24/15,755.08
  6. Step 6: Final answer
    x = 10,485.66

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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.