Home / 13,510.13-20,268.44-4,276.13

Finding the Fourth Proportional to 13,510.13, 20,268.44 and 4,276.13

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Solution

The fourth proportional to 13,510.13, 20,268.44 and 4,276.13 is: 6,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.13 : 20,268.44 = 4,276.13 : x
  2. Step 2: Convert to fraction form
    13,510.13/20,268.44 = 4,276.13/x
  3. Step 3: Cross multiply
    13,510.13x = 20,268.44 × 4,276.13
  4. Step 4: Simplify right side
    13,510.13x = 86,670,361.61
  5. Step 5: Solve for x
    x = 86,670,361.61/13,510.13
  6. Step 6: Final answer
    x = 6,415.22

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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.