Home / 16,813.79-23,202.81-9,740.87

Finding the Fourth Proportional to 16,813.79, 23,202.81 and 9,740.87

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Solution

The fourth proportional to 16,813.79, 23,202.81 and 9,740.87 is: 13,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.79 : 23,202.81 = 9,740.87 : x
  2. Step 2: Convert to fraction form
    16,813.79/23,202.81 = 9,740.87/x
  3. Step 3: Cross multiply
    16,813.79x = 23,202.81 × 9,740.87
  4. Step 4: Simplify right side
    16,813.79x = 226,015,555.84
  5. Step 5: Solve for x
    x = 226,015,555.84/16,813.79
  6. Step 6: Final answer
    x = 13,442.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.