Home / 13,762.56-20,643.93-3,374.31

Finding the Fourth Proportional to 13,762.56, 20,643.93 and 3,374.31

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Solution

The fourth proportional to 13,762.56, 20,643.93 and 3,374.31 is: 5,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.56 : 20,643.93 = 3,374.31 : x
  2. Step 2: Convert to fraction form
    13,762.56/20,643.93 = 3,374.31/x
  3. Step 3: Cross multiply
    13,762.56x = 20,643.93 × 3,374.31
  4. Step 4: Simplify right side
    13,762.56x = 69,659,019.44
  5. Step 5: Solve for x
    x = 69,659,019.44/13,762.56
  6. Step 6: Final answer
    x = 5,061.49

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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.