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Finding the Fourth Proportional to 9,243.60, 13,852.44 and 6,932.56

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Solution

The fourth proportional to 9,243.60, 13,852.44 and 6,932.56 is: 10,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.60 : 13,852.44 = 6,932.56 : x
  2. Step 2: Convert to fraction form
    9,243.60/13,852.44 = 6,932.56/x
  3. Step 3: Cross multiply
    9,243.60x = 13,852.44 × 6,932.56
  4. Step 4: Simplify right side
    9,243.60x = 96,032,871.45
  5. Step 5: Solve for x
    x = 96,032,871.45/9,243.60
  6. Step 6: Final answer
    x = 10,389.12

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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.