Home / 20,187.35-30,285.59-6,148.64

Finding the Fourth Proportional to 20,187.35, 30,285.59 and 6,148.64

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Solution

The fourth proportional to 20,187.35, 30,285.59 and 6,148.64 is: 9,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.35 : 30,285.59 = 6,148.64 : x
  2. Step 2: Convert to fraction form
    20,187.35/30,285.59 = 6,148.64/x
  3. Step 3: Cross multiply
    20,187.35x = 30,285.59 × 6,148.64
  4. Step 4: Simplify right side
    20,187.35x = 186,215,007.93
  5. Step 5: Solve for x
    x = 186,215,007.93/20,187.35
  6. Step 6: Final answer
    x = 9,224.34

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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.