Home / 9,426.40-12,997.68-6,765.28

Finding the Fourth Proportional to 9,426.40, 12,997.68 and 6,765.28

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Solution

The fourth proportional to 9,426.40, 12,997.68 and 6,765.28 is: 9,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.40 : 12,997.68 = 6,765.28 : x
  2. Step 2: Convert to fraction form
    9,426.40/12,997.68 = 6,765.28/x
  3. Step 3: Cross multiply
    9,426.40x = 12,997.68 × 6,765.28
  4. Step 4: Simplify right side
    9,426.40x = 87,932,944.55
  5. Step 5: Solve for x
    x = 87,932,944.55/9,426.40
  6. Step 6: Final answer
    x = 9,328.37

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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.