Home / 19,945.73-29,918.60-15,566.87

Finding the Fourth Proportional to 19,945.73, 29,918.60 and 15,566.87

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Solution

The fourth proportional to 19,945.73, 29,918.60 and 15,566.87 is: 23,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.73 : 29,918.60 = 15,566.87 : x
  2. Step 2: Convert to fraction form
    19,945.73/29,918.60 = 15,566.87/x
  3. Step 3: Cross multiply
    19,945.73x = 29,918.60 × 15,566.87
  4. Step 4: Simplify right side
    19,945.73x = 465,738,729.35
  5. Step 5: Solve for x
    x = 465,738,729.35/19,945.73
  6. Step 6: Final answer
    x = 23,350.30

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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.