Home / 20,533.80-30,795.84-9,433.56

Finding the Fourth Proportional to 20,533.80, 30,795.84 and 9,433.56

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Solution

The fourth proportional to 20,533.80, 30,795.84 and 9,433.56 is: 14,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.80 : 30,795.84 = 9,433.56 : x
  2. Step 2: Convert to fraction form
    20,533.80/30,795.84 = 9,433.56/x
  3. Step 3: Cross multiply
    20,533.80x = 30,795.84 × 9,433.56
  4. Step 4: Simplify right side
    20,533.80x = 290,514,404.39
  5. Step 5: Solve for x
    x = 290,514,404.39/20,533.80
  6. Step 6: Final answer
    x = 14,148.11

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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.