Home / 13,623.36-18,799.32-7,655.60

Finding the Fourth Proportional to 13,623.36, 18,799.32 and 7,655.60

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Solution

The fourth proportional to 13,623.36, 18,799.32 and 7,655.60 is: 10,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.36 : 18,799.32 = 7,655.60 : x
  2. Step 2: Convert to fraction form
    13,623.36/18,799.32 = 7,655.60/x
  3. Step 3: Cross multiply
    13,623.36x = 18,799.32 × 7,655.60
  4. Step 4: Simplify right side
    13,623.36x = 143,920,074.19
  5. Step 5: Solve for x
    x = 143,920,074.19/13,623.36
  6. Step 6: Final answer
    x = 10,564.21

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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.