Home / 20,001.56-30,002.34-6,150.56

Finding the Fourth Proportional to 20,001.56, 30,002.34 and 6,150.56

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Solution

The fourth proportional to 20,001.56, 30,002.34 and 6,150.56 is: 9,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.56 : 30,002.34 = 6,150.56 : x
  2. Step 2: Convert to fraction form
    20,001.56/30,002.34 = 6,150.56/x
  3. Step 3: Cross multiply
    20,001.56x = 30,002.34 × 6,150.56
  4. Step 4: Simplify right side
    20,001.56x = 184,531,192.31
  5. Step 5: Solve for x
    x = 184,531,192.31/20,001.56
  6. Step 6: Final answer
    x = 9,225.84

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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.