Home / 17,645.95-26,441.58-13,938.98

Finding the Fourth Proportional to 17,645.95, 26,441.58 and 13,938.98

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Solution

The fourth proportional to 17,645.95, 26,441.58 and 13,938.98 is: 20,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.95 : 26,441.58 = 13,938.98 : x
  2. Step 2: Convert to fraction form
    17,645.95/26,441.58 = 13,938.98/x
  3. Step 3: Cross multiply
    17,645.95x = 26,441.58 × 13,938.98
  4. Step 4: Simplify right side
    17,645.95x = 368,568,654.79
  5. Step 5: Solve for x
    x = 368,568,654.79/17,645.95
  6. Step 6: Final answer
    x = 20,886.88

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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.