Home / 13,883.02-20,819.30-4,520.60

Finding the Fourth Proportional to 13,883.02, 20,819.30 and 4,520.60

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Solution

The fourth proportional to 13,883.02, 20,819.30 and 4,520.60 is: 6,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.02 : 20,819.30 = 4,520.60 : x
  2. Step 2: Convert to fraction form
    13,883.02/20,819.30 = 4,520.60/x
  3. Step 3: Cross multiply
    13,883.02x = 20,819.30 × 4,520.60
  4. Step 4: Simplify right side
    13,883.02x = 94,115,727.58
  5. Step 5: Solve for x
    x = 94,115,727.58/13,883.02
  6. Step 6: Final answer
    x = 6,779.20

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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.