Home / 19,968.21-29,958.39-9,446.31

Finding the Fourth Proportional to 19,968.21, 29,958.39 and 9,446.31

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Solution

The fourth proportional to 19,968.21, 29,958.39 and 9,446.31 is: 14,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.21 : 29,958.39 = 9,446.31 : x
  2. Step 2: Convert to fraction form
    19,968.21/29,958.39 = 9,446.31/x
  3. Step 3: Cross multiply
    19,968.21x = 29,958.39 × 9,446.31
  4. Step 4: Simplify right side
    19,968.21x = 282,996,239.04
  5. Step 5: Solve for x
    x = 282,996,239.04/19,968.21
  6. Step 6: Final answer
    x = 14,172.34

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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.