Home / 14,546.03-21,819.05-4,157.78

Finding the Fourth Proportional to 14,546.03, 21,819.05 and 4,157.78

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Solution

The fourth proportional to 14,546.03, 21,819.05 and 4,157.78 is: 6,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.03 : 21,819.05 = 4,157.78 : x
  2. Step 2: Convert to fraction form
    14,546.03/21,819.05 = 4,157.78/x
  3. Step 3: Cross multiply
    14,546.03x = 21,819.05 × 4,157.78
  4. Step 4: Simplify right side
    14,546.03x = 90,718,809.71
  5. Step 5: Solve for x
    x = 90,718,809.71/14,546.03
  6. Step 6: Final answer
    x = 6,236.67

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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.