Home / 11,539.07-15,922.58-7,065.44

Finding the Fourth Proportional to 11,539.07, 15,922.58 and 7,065.44

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Solution

The fourth proportional to 11,539.07, 15,922.58 and 7,065.44 is: 9,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.07 : 15,922.58 = 7,065.44 : x
  2. Step 2: Convert to fraction form
    11,539.07/15,922.58 = 7,065.44/x
  3. Step 3: Cross multiply
    11,539.07x = 15,922.58 × 7,065.44
  4. Step 4: Simplify right side
    11,539.07x = 112,499,918.70
  5. Step 5: Solve for x
    x = 112,499,918.70/11,539.07
  6. Step 6: Final answer
    x = 9,749.48

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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.