Home / 19,740.63-29,610.96-9,869.97

Finding the Fourth Proportional to 19,740.63, 29,610.96 and 9,869.97

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Solution

The fourth proportional to 19,740.63, 29,610.96 and 9,869.97 is: 14,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.63 : 29,610.96 = 9,869.97 : x
  2. Step 2: Convert to fraction form
    19,740.63/29,610.96 = 9,869.97/x
  3. Step 3: Cross multiply
    19,740.63x = 29,610.96 × 9,869.97
  4. Step 4: Simplify right side
    19,740.63x = 292,259,286.87
  5. Step 5: Solve for x
    x = 292,259,286.87/19,740.63
  6. Step 6: Final answer
    x = 14,804.96

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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.