Home / 21,942.01-32,916.44-7,147.49

Finding the Fourth Proportional to 21,942.01, 32,916.44 and 7,147.49

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Solution

The fourth proportional to 21,942.01, 32,916.44 and 7,147.49 is: 10,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.01 : 32,916.44 = 7,147.49 : x
  2. Step 2: Convert to fraction form
    21,942.01/32,916.44 = 7,147.49/x
  3. Step 3: Cross multiply
    21,942.01x = 32,916.44 × 7,147.49
  4. Step 4: Simplify right side
    21,942.01x = 235,269,890.00
  5. Step 5: Solve for x
    x = 235,269,890.00/21,942.01
  6. Step 6: Final answer
    x = 10,722.35

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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.