Home / 13,623.06-20,435.77-3,762.35

Finding the Fourth Proportional to 13,623.06, 20,435.77 and 3,762.35

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Solution

The fourth proportional to 13,623.06, 20,435.77 and 3,762.35 is: 5,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.06 : 20,435.77 = 3,762.35 : x
  2. Step 2: Convert to fraction form
    13,623.06/20,435.77 = 3,762.35/x
  3. Step 3: Cross multiply
    13,623.06x = 20,435.77 × 3,762.35
  4. Step 4: Simplify right side
    13,623.06x = 76,886,417.08
  5. Step 5: Solve for x
    x = 76,886,417.08/13,623.06
  6. Step 6: Final answer
    x = 5,643.84

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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.