Home / 12,825.54-19,241.01-7,281.45

Finding the Fourth Proportional to 12,825.54, 19,241.01 and 7,281.45

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Solution

The fourth proportional to 12,825.54, 19,241.01 and 7,281.45 is: 10,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.54 : 19,241.01 = 7,281.45 : x
  2. Step 2: Convert to fraction form
    12,825.54/19,241.01 = 7,281.45/x
  3. Step 3: Cross multiply
    12,825.54x = 19,241.01 × 7,281.45
  4. Step 4: Simplify right side
    12,825.54x = 140,102,452.26
  5. Step 5: Solve for x
    x = 140,102,452.26/12,825.54
  6. Step 6: Final answer
    x = 10,923.71

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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.