Home / 20,367.51-30,555.87-9,271.23

Finding the Fourth Proportional to 20,367.51, 30,555.87 and 9,271.23

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Solution

The fourth proportional to 20,367.51, 30,555.87 and 9,271.23 is: 13,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.51 : 30,555.87 = 9,271.23 : x
  2. Step 2: Convert to fraction form
    20,367.51/30,555.87 = 9,271.23/x
  3. Step 3: Cross multiply
    20,367.51x = 30,555.87 × 9,271.23
  4. Step 4: Simplify right side
    20,367.51x = 283,290,498.62
  5. Step 5: Solve for x
    x = 283,290,498.62/20,367.51
  6. Step 6: Final answer
    x = 13,908.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.