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Finding the Fourth Proportional to 15,408.60, 23,096.70 and 8,820.60

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Solution

The fourth proportional to 15,408.60, 23,096.70 and 8,820.60 is: 13,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.60 : 23,096.70 = 8,820.60 : x
  2. Step 2: Convert to fraction form
    15,408.60/23,096.70 = 8,820.60/x
  3. Step 3: Cross multiply
    15,408.60x = 23,096.70 × 8,820.60
  4. Step 4: Simplify right side
    15,408.60x = 203,726,752.02
  5. Step 5: Solve for x
    x = 203,726,752.02/15,408.60
  6. Step 6: Final answer
    x = 13,221.63

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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.