Home / 9,508.80-13,129.20-6,153.60

Finding the Fourth Proportional to 9,508.80, 13,129.20 and 6,153.60

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Solution

The fourth proportional to 9,508.80, 13,129.20 and 6,153.60 is: 8,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.80 : 13,129.20 = 6,153.60 : x
  2. Step 2: Convert to fraction form
    9,508.80/13,129.20 = 6,153.60/x
  3. Step 3: Cross multiply
    9,508.80x = 13,129.20 × 6,153.60
  4. Step 4: Simplify right side
    9,508.80x = 80,791,845.12
  5. Step 5: Solve for x
    x = 80,791,845.12/9,508.80
  6. Step 6: Final answer
    x = 8,496.53

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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.