Home / 20,011.02-30,019.77-6,160.02

Finding the Fourth Proportional to 20,011.02, 30,019.77 and 6,160.02

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Solution

The fourth proportional to 20,011.02, 30,019.77 and 6,160.02 is: 9,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.02 : 30,019.77 = 6,160.02 : x
  2. Step 2: Convert to fraction form
    20,011.02/30,019.77 = 6,160.02/x
  3. Step 3: Cross multiply
    20,011.02x = 30,019.77 × 6,160.02
  4. Step 4: Simplify right side
    20,011.02x = 184,922,383.60
  5. Step 5: Solve for x
    x = 184,922,383.60/20,011.02
  6. Step 6: Final answer
    x = 9,241.03

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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.