Home / 20,482.39-30,735.33-8,635.33

Finding the Fourth Proportional to 20,482.39, 30,735.33 and 8,635.33

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Solution

The fourth proportional to 20,482.39, 30,735.33 and 8,635.33 is: 12,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.39 : 30,735.33 = 8,635.33 : x
  2. Step 2: Convert to fraction form
    20,482.39/30,735.33 = 8,635.33/x
  3. Step 3: Cross multiply
    20,482.39x = 30,735.33 × 8,635.33
  4. Step 4: Simplify right side
    20,482.39x = 265,409,717.21
  5. Step 5: Solve for x
    x = 265,409,717.21/20,482.39
  6. Step 6: Final answer
    x = 12,957.95

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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.