Home / 14,538.20-21,819.74-5,779.26

Finding the Fourth Proportional to 14,538.20, 21,819.74 and 5,779.26

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Solution

The fourth proportional to 14,538.20, 21,819.74 and 5,779.26 is: 8,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.20 : 21,819.74 = 5,779.26 : x
  2. Step 2: Convert to fraction form
    14,538.20/21,819.74 = 5,779.26/x
  3. Step 3: Cross multiply
    14,538.20x = 21,819.74 × 5,779.26
  4. Step 4: Simplify right side
    14,538.20x = 126,101,921.70
  5. Step 5: Solve for x
    x = 126,101,921.70/14,538.20
  6. Step 6: Final answer
    x = 8,673.84

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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.