Home / 20,084.58-30,125.34-7,603.47

Finding the Fourth Proportional to 20,084.58, 30,125.34 and 7,603.47

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Solution

The fourth proportional to 20,084.58, 30,125.34 and 7,603.47 is: 11,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.58 : 30,125.34 = 7,603.47 : x
  2. Step 2: Convert to fraction form
    20,084.58/30,125.34 = 7,603.47/x
  3. Step 3: Cross multiply
    20,084.58x = 30,125.34 × 7,603.47
  4. Step 4: Simplify right side
    20,084.58x = 229,057,118.93
  5. Step 5: Solve for x
    x = 229,057,118.93/20,084.58
  6. Step 6: Final answer
    x = 11,404.63

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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.