Home / 13,383.68-20,084.72-4,618.60

Finding the Fourth Proportional to 13,383.68, 20,084.72 and 4,618.60

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Solution

The fourth proportional to 13,383.68, 20,084.72 and 4,618.60 is: 6,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.68 : 20,084.72 = 4,618.60 : x
  2. Step 2: Convert to fraction form
    13,383.68/20,084.72 = 4,618.60/x
  3. Step 3: Cross multiply
    13,383.68x = 20,084.72 × 4,618.60
  4. Step 4: Simplify right side
    13,383.68x = 92,763,287.79
  5. Step 5: Solve for x
    x = 92,763,287.79/13,383.68
  6. Step 6: Final answer
    x = 6,931.07

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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.