Home / 20,214.94-30,325.64-5,984.86

Finding the Fourth Proportional to 20,214.94, 30,325.64 and 5,984.86

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Solution

The fourth proportional to 20,214.94, 30,325.64 and 5,984.86 is: 8,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.94 : 30,325.64 = 5,984.86 : x
  2. Step 2: Convert to fraction form
    20,214.94/30,325.64 = 5,984.86/x
  3. Step 3: Cross multiply
    20,214.94x = 30,325.64 × 5,984.86
  4. Step 4: Simplify right side
    20,214.94x = 181,494,709.81
  5. Step 5: Solve for x
    x = 181,494,709.81/20,214.94
  6. Step 6: Final answer
    x = 8,978.25

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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.