Home / 17,454.60-26,138.16-13,776.80

Finding the Fourth Proportional to 17,454.60, 26,138.16 and 13,776.80

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Solution

The fourth proportional to 17,454.60, 26,138.16 and 13,776.80 is: 20,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,454.60 : 26,138.16 = 13,776.80 : x
  2. Step 2: Convert to fraction form
    17,454.60/26,138.16 = 13,776.80/x
  3. Step 3: Cross multiply
    17,454.60x = 26,138.16 × 13,776.80
  4. Step 4: Simplify right side
    17,454.60x = 360,100,171.78
  5. Step 5: Solve for x
    x = 360,100,171.78/17,454.60
  6. Step 6: Final answer
    x = 20,630.67

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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.