Home / 13,582.08-20,376.09-4,222.26

Finding the Fourth Proportional to 13,582.08, 20,376.09 and 4,222.26

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Solution

The fourth proportional to 13,582.08, 20,376.09 and 4,222.26 is: 6,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.08 : 20,376.09 = 4,222.26 : x
  2. Step 2: Convert to fraction form
    13,582.08/20,376.09 = 4,222.26/x
  3. Step 3: Cross multiply
    13,582.08x = 20,376.09 × 4,222.26
  4. Step 4: Simplify right side
    13,582.08x = 86,033,149.76
  5. Step 5: Solve for x
    x = 86,033,149.76/13,582.08
  6. Step 6: Final answer
    x = 6,334.31

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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.