Home / 11,539.48-15,932.18-6,825.28

Finding the Fourth Proportional to 11,539.48, 15,932.18 and 6,825.28

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Solution

The fourth proportional to 11,539.48, 15,932.18 and 6,825.28 is: 9,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.48 : 15,932.18 = 6,825.28 : x
  2. Step 2: Convert to fraction form
    11,539.48/15,932.18 = 6,825.28/x
  3. Step 3: Cross multiply
    11,539.48x = 15,932.18 × 6,825.28
  4. Step 4: Simplify right side
    11,539.48x = 108,741,589.51
  5. Step 5: Solve for x
    x = 108,741,589.51/11,539.48
  6. Step 6: Final answer
    x = 9,423.44

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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.