Home / 18,763.66-28,286.06-17,495.26

Finding the Fourth Proportional to 18,763.66, 28,286.06 and 17,495.26

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Solution

The fourth proportional to 18,763.66, 28,286.06 and 17,495.26 is: 26,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.66 : 28,286.06 = 17,495.26 : x
  2. Step 2: Convert to fraction form
    18,763.66/28,286.06 = 17,495.26/x
  3. Step 3: Cross multiply
    18,763.66x = 28,286.06 × 17,495.26
  4. Step 4: Simplify right side
    18,763.66x = 494,871,974.08
  5. Step 5: Solve for x
    x = 494,871,974.08/18,763.66
  6. Step 6: Final answer
    x = 26,373.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.