Home / 20,153.79-30,227.31-5,362.92

Finding the Fourth Proportional to 20,153.79, 30,227.31 and 5,362.92

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Solution

The fourth proportional to 20,153.79, 30,227.31 and 5,362.92 is: 8,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.79 : 30,227.31 = 5,362.92 : x
  2. Step 2: Convert to fraction form
    20,153.79/30,227.31 = 5,362.92/x
  3. Step 3: Cross multiply
    20,153.79x = 30,227.31 × 5,362.92
  4. Step 4: Simplify right side
    20,153.79x = 162,106,645.35
  5. Step 5: Solve for x
    x = 162,106,645.35/20,153.79
  6. Step 6: Final answer
    x = 8,043.48

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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.