Home / 9,269.37-12,750.26-8,129.43

Finding the Fourth Proportional to 9,269.37, 12,750.26 and 8,129.43

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Solution

The fourth proportional to 9,269.37, 12,750.26 and 8,129.43 is: 11,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.37 : 12,750.26 = 8,129.43 : x
  2. Step 2: Convert to fraction form
    9,269.37/12,750.26 = 8,129.43/x
  3. Step 3: Cross multiply
    9,269.37x = 12,750.26 × 8,129.43
  4. Step 4: Simplify right side
    9,269.37x = 103,652,305.50
  5. Step 5: Solve for x
    x = 103,652,305.50/9,269.37
  6. Step 6: Final answer
    x = 11,182.24

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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.