Home / 13,318.40-19,942.40-10,673.60

Finding the Fourth Proportional to 13,318.40, 19,942.40 and 10,673.60

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Solution

The fourth proportional to 13,318.40, 19,942.40 and 10,673.60 is: 15,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.40 : 19,942.40 = 10,673.60 : x
  2. Step 2: Convert to fraction form
    13,318.40/19,942.40 = 10,673.60/x
  3. Step 3: Cross multiply
    13,318.40x = 19,942.40 × 10,673.60
  4. Step 4: Simplify right side
    13,318.40x = 212,857,200.64
  5. Step 5: Solve for x
    x = 212,857,200.64/13,318.40
  6. Step 6: Final answer
    x = 15,982.19

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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.