Home / 20,212.93-30,333.27-7,065.31

Finding the Fourth Proportional to 20,212.93, 30,333.27 and 7,065.31

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Solution

The fourth proportional to 20,212.93, 30,333.27 and 7,065.31 is: 10,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.93 : 30,333.27 = 7,065.31 : x
  2. Step 2: Convert to fraction form
    20,212.93/30,333.27 = 7,065.31/x
  3. Step 3: Cross multiply
    20,212.93x = 30,333.27 × 7,065.31
  4. Step 4: Simplify right side
    20,212.93x = 214,313,955.86
  5. Step 5: Solve for x
    x = 214,313,955.86/20,212.93
  6. Step 6: Final answer
    x = 10,602.81

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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.