Home / 20,459.73-30,667.50-9,907.41

Finding the Fourth Proportional to 20,459.73, 30,667.50 and 9,907.41

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Solution

The fourth proportional to 20,459.73, 30,667.50 and 9,907.41 is: 14,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459.73 : 30,667.50 = 9,907.41 : x
  2. Step 2: Convert to fraction form
    20,459.73/30,667.50 = 9,907.41/x
  3. Step 3: Cross multiply
    20,459.73x = 30,667.50 × 9,907.41
  4. Step 4: Simplify right side
    20,459.73x = 303,835,496.18
  5. Step 5: Solve for x
    x = 303,835,496.18/20,459.73
  6. Step 6: Final answer
    x = 14,850.42

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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.