Home / 20,119.03-30,184.02-6,972.43

Finding the Fourth Proportional to 20,119.03, 30,184.02 and 6,972.43

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Solution

The fourth proportional to 20,119.03, 30,184.02 and 6,972.43 is: 10,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.03 : 30,184.02 = 6,972.43 : x
  2. Step 2: Convert to fraction form
    20,119.03/30,184.02 = 6,972.43/x
  3. Step 3: Cross multiply
    20,119.03x = 30,184.02 × 6,972.43
  4. Step 4: Simplify right side
    20,119.03x = 210,455,928.09
  5. Step 5: Solve for x
    x = 210,455,928.09/20,119.03
  6. Step 6: Final answer
    x = 10,460.54

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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.