Home / 18,419.19-27,624.87-5,268.03

Finding the Fourth Proportional to 18,419.19, 27,624.87 and 5,268.03

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Solution

The fourth proportional to 18,419.19, 27,624.87 and 5,268.03 is: 7,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.19 : 27,624.87 = 5,268.03 : x
  2. Step 2: Convert to fraction form
    18,419.19/27,624.87 = 5,268.03/x
  3. Step 3: Cross multiply
    18,419.19x = 27,624.87 × 5,268.03
  4. Step 4: Simplify right side
    18,419.19x = 145,528,643.91
  5. Step 5: Solve for x
    x = 145,528,643.91/18,419.19
  6. Step 6: Final answer
    x = 7,900.93

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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.