Home / 20,144.40-30,216.80-6,104.46

Finding the Fourth Proportional to 20,144.40, 30,216.80 and 6,104.46

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Solution

The fourth proportional to 20,144.40, 30,216.80 and 6,104.46 is: 9,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.40 : 30,216.80 = 6,104.46 : x
  2. Step 2: Convert to fraction form
    20,144.40/30,216.80 = 6,104.46/x
  3. Step 3: Cross multiply
    20,144.40x = 30,216.80 × 6,104.46
  4. Step 4: Simplify right side
    20,144.40x = 184,457,246.93
  5. Step 5: Solve for x
    x = 184,457,246.93/20,144.40
  6. Step 6: Final answer
    x = 9,156.75

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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.