Home / 8,254.37-12,370.60-7,153.58

Finding the Fourth Proportional to 8,254.37, 12,370.60 and 7,153.58

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Solution

The fourth proportional to 8,254.37, 12,370.60 and 7,153.58 is: 10,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.37 : 12,370.60 = 7,153.58 : x
  2. Step 2: Convert to fraction form
    8,254.37/12,370.60 = 7,153.58/x
  3. Step 3: Cross multiply
    8,254.37x = 12,370.60 × 7,153.58
  4. Step 4: Simplify right side
    8,254.37x = 88,494,076.75
  5. Step 5: Solve for x
    x = 88,494,076.75/8,254.37
  6. Step 6: Final answer
    x = 10,720.88

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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.