Home / 13,761.90-20,637.99-4,994.46

Finding the Fourth Proportional to 13,761.90, 20,637.99 and 4,994.46

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Solution

The fourth proportional to 13,761.90, 20,637.99 and 4,994.46 is: 7,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.90 : 20,637.99 = 4,994.46 : x
  2. Step 2: Convert to fraction form
    13,761.90/20,637.99 = 4,994.46/x
  3. Step 3: Cross multiply
    13,761.90x = 20,637.99 × 4,994.46
  4. Step 4: Simplify right side
    13,761.90x = 103,075,615.54
  5. Step 5: Solve for x
    x = 103,075,615.54/13,761.90
  6. Step 6: Final answer
    x = 7,489.93

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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.