Home / 12,667.04-19,003.28-3,783.07

Finding the Fourth Proportional to 12,667.04, 19,003.28 and 3,783.07

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Solution

The fourth proportional to 12,667.04, 19,003.28 and 3,783.07 is: 5,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.04 : 19,003.28 = 3,783.07 : x
  2. Step 2: Convert to fraction form
    12,667.04/19,003.28 = 3,783.07/x
  3. Step 3: Cross multiply
    12,667.04x = 19,003.28 × 3,783.07
  4. Step 4: Simplify right side
    12,667.04x = 71,890,828.67
  5. Step 5: Solve for x
    x = 71,890,828.67/12,667.04
  6. Step 6: Final answer
    x = 5,675.42

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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.