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Finding the Fourth Proportional to 8,989.68, 13,482.70 and 2,415.93

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Solution

The fourth proportional to 8,989.68, 13,482.70 and 2,415.93 is: 3,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.68 : 13,482.70 = 2,415.93 : x
  2. Step 2: Convert to fraction form
    8,989.68/13,482.70 = 2,415.93/x
  3. Step 3: Cross multiply
    8,989.68x = 13,482.70 × 2,415.93
  4. Step 4: Simplify right side
    8,989.68x = 32,573,216.40
  5. Step 5: Solve for x
    x = 32,573,216.40/8,989.68
  6. Step 6: Final answer
    x = 3,623.40

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