Home / 20,293.07-28,002.56-11,339.33

Finding the Fourth Proportional to 20,293.07, 28,002.56 and 11,339.33

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Solution

The fourth proportional to 20,293.07, 28,002.56 and 11,339.33 is: 15,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.07 : 28,002.56 = 11,339.33 : x
  2. Step 2: Convert to fraction form
    20,293.07/28,002.56 = 11,339.33/x
  3. Step 3: Cross multiply
    20,293.07x = 28,002.56 × 11,339.33
  4. Step 4: Simplify right side
    20,293.07x = 317,530,071.98
  5. Step 5: Solve for x
    x = 317,530,071.98/20,293.07
  6. Step 6: Final answer
    x = 15,647.22

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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.