Home / 20,004.08-30,007.58-6,856.34

Finding the Fourth Proportional to 20,004.08, 30,007.58 and 6,856.34

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Solution

The fourth proportional to 20,004.08, 30,007.58 and 6,856.34 is: 10,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.08 : 30,007.58 = 6,856.34 : x
  2. Step 2: Convert to fraction form
    20,004.08/30,007.58 = 6,856.34/x
  3. Step 3: Cross multiply
    20,004.08x = 30,007.58 × 6,856.34
  4. Step 4: Simplify right side
    20,004.08x = 205,741,986.74
  5. Step 5: Solve for x
    x = 205,741,986.74/20,004.08
  6. Step 6: Final answer
    x = 10,285.00

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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.