Home / 20,153.29-30,220.37-7,003.96

Finding the Fourth Proportional to 20,153.29, 30,220.37 and 7,003.96

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Solution

The fourth proportional to 20,153.29, 30,220.37 and 7,003.96 is: 10,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.29 : 30,220.37 = 7,003.96 : x
  2. Step 2: Convert to fraction form
    20,153.29/30,220.37 = 7,003.96/x
  3. Step 3: Cross multiply
    20,153.29x = 30,220.37 × 7,003.96
  4. Step 4: Simplify right side
    20,153.29x = 211,662,262.67
  5. Step 5: Solve for x
    x = 211,662,262.67/20,153.29
  6. Step 6: Final answer
    x = 10,502.62

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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.