Home / 20,350.60-30,501.60-8,504.35

Finding the Fourth Proportional to 20,350.60, 30,501.60 and 8,504.35

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Solution

The fourth proportional to 20,350.60, 30,501.60 and 8,504.35 is: 12,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.60 : 30,501.60 = 8,504.35 : x
  2. Step 2: Convert to fraction form
    20,350.60/30,501.60 = 8,504.35/x
  3. Step 3: Cross multiply
    20,350.60x = 30,501.60 × 8,504.35
  4. Step 4: Simplify right side
    20,350.60x = 259,396,281.96
  5. Step 5: Solve for x
    x = 259,396,281.96/20,350.60
  6. Step 6: Final answer
    x = 12,746.37

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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.