Home / 23,121.54-34,667.73-12,740.58

Finding the Fourth Proportional to 23,121.54, 34,667.73 and 12,740.58

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Solution

The fourth proportional to 23,121.54, 34,667.73 and 12,740.58 is: 19,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.54 : 34,667.73 = 12,740.58 : x
  2. Step 2: Convert to fraction form
    23,121.54/34,667.73 = 12,740.58/x
  3. Step 3: Cross multiply
    23,121.54x = 34,667.73 × 12,740.58
  4. Step 4: Simplify right side
    23,121.54x = 441,686,987.48
  5. Step 5: Solve for x
    x = 441,686,987.48/23,121.54
  6. Step 6: Final answer
    x = 19,102.84

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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.