Home / 17,767.30-26,708.55-12,608.90

Finding the Fourth Proportional to 17,767.30, 26,708.55 and 12,608.90

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Solution

The fourth proportional to 17,767.30, 26,708.55 and 12,608.90 is: 18,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.30 : 26,708.55 = 12,608.90 : x
  2. Step 2: Convert to fraction form
    17,767.30/26,708.55 = 12,608.90/x
  3. Step 3: Cross multiply
    17,767.30x = 26,708.55 × 12,608.90
  4. Step 4: Simplify right side
    17,767.30x = 336,765,436.10
  5. Step 5: Solve for x
    x = 336,765,436.10/17,767.30
  6. Step 6: Final answer
    x = 18,954.23

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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.