Home / 13,623.24-18,799.47-7,958.28

Finding the Fourth Proportional to 13,623.24, 18,799.47 and 7,958.28

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Solution

The fourth proportional to 13,623.24, 18,799.47 and 7,958.28 is: 10,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.24 : 18,799.47 = 7,958.28 : x
  2. Step 2: Convert to fraction form
    13,623.24/18,799.47 = 7,958.28/x
  3. Step 3: Cross multiply
    13,623.24x = 18,799.47 × 7,958.28
  4. Step 4: Simplify right side
    13,623.24x = 149,611,446.11
  5. Step 5: Solve for x
    x = 149,611,446.11/13,623.24
  6. Step 6: Final answer
    x = 10,982.08

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1.5x scale

Why These Related Problems?

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