Home / 19,941.03-29,918.43-8,855.51

Finding the Fourth Proportional to 19,941.03, 29,918.43 and 8,855.51

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Solution

The fourth proportional to 19,941.03, 29,918.43 and 8,855.51 is: 13,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.03 : 29,918.43 = 8,855.51 : x
  2. Step 2: Convert to fraction form
    19,941.03/29,918.43 = 8,855.51/x
  3. Step 3: Cross multiply
    19,941.03x = 29,918.43 × 8,855.51
  4. Step 4: Simplify right side
    19,941.03x = 264,942,806.46
  5. Step 5: Solve for x
    x = 264,942,806.46/19,941.03
  6. Step 6: Final answer
    x = 13,286.32

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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.