Home / 18,626.47-25,704.28-13,867.67

Finding the Fourth Proportional to 18,626.47, 25,704.28 and 13,867.67

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Solution

The fourth proportional to 18,626.47, 25,704.28 and 13,867.67 is: 19,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.47 : 25,704.28 = 13,867.67 : x
  2. Step 2: Convert to fraction form
    18,626.47/25,704.28 = 13,867.67/x
  3. Step 3: Cross multiply
    18,626.47x = 25,704.28 × 13,867.67
  4. Step 4: Simplify right side
    18,626.47x = 356,458,472.63
  5. Step 5: Solve for x
    x = 356,458,472.63/18,626.47
  6. Step 6: Final answer
    x = 19,137.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.