Home / 20,022.68-30,041.04-6,171.68

Finding the Fourth Proportional to 20,022.68, 30,041.04 and 6,171.68

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Solution

The fourth proportional to 20,022.68, 30,041.04 and 6,171.68 is: 9,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.68 : 30,041.04 = 6,171.68 : x
  2. Step 2: Convert to fraction form
    20,022.68/30,041.04 = 6,171.68/x
  3. Step 3: Cross multiply
    20,022.68x = 30,041.04 × 6,171.68
  4. Step 4: Simplify right side
    20,022.68x = 185,403,685.75
  5. Step 5: Solve for x
    x = 185,403,685.75/20,022.68
  6. Step 6: Final answer
    x = 9,259.68

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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.