Home / 20,148.39-30,222.81-6,108.48

Finding the Fourth Proportional to 20,148.39, 30,222.81 and 6,108.48

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Solution

The fourth proportional to 20,148.39, 30,222.81 and 6,108.48 is: 9,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.39 : 30,222.81 = 6,108.48 : x
  2. Step 2: Convert to fraction form
    20,148.39/30,222.81 = 6,108.48/x
  3. Step 3: Cross multiply
    20,148.39x = 30,222.81 × 6,108.48
  4. Step 4: Simplify right side
    20,148.39x = 184,615,430.43
  5. Step 5: Solve for x
    x = 184,615,430.43/20,148.39
  6. Step 6: Final answer
    x = 9,162.79

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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.