Home / 13,304.40-19,926.36-10,662.72

Finding the Fourth Proportional to 13,304.40, 19,926.36 and 10,662.72

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Solution

The fourth proportional to 13,304.40, 19,926.36 and 10,662.72 is: 15,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.40 : 19,926.36 = 10,662.72 : x
  2. Step 2: Convert to fraction form
    13,304.40/19,926.36 = 10,662.72/x
  3. Step 3: Cross multiply
    13,304.40x = 19,926.36 × 10,662.72
  4. Step 4: Simplify right side
    13,304.40x = 212,469,197.30
  5. Step 5: Solve for x
    x = 212,469,197.30/13,304.40
  6. Step 6: Final answer
    x = 15,969.84

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1.5x scale

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.