Home / 13,037.20-19,560.60-5,246.80

Finding the Fourth Proportional to 13,037.20, 19,560.60 and 5,246.80

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Solution

The fourth proportional to 13,037.20, 19,560.60 and 5,246.80 is: 7,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.20 : 19,560.60 = 5,246.80 : x
  2. Step 2: Convert to fraction form
    13,037.20/19,560.60 = 5,246.80/x
  3. Step 3: Cross multiply
    13,037.20x = 19,560.60 × 5,246.80
  4. Step 4: Simplify right side
    13,037.20x = 102,630,556.08
  5. Step 5: Solve for x
    x = 102,630,556.08/13,037.20
  6. Step 6: Final answer
    x = 7,872.13

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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.