Home / 12,667.91-18,996.39-4,871.25

Finding the Fourth Proportional to 12,667.91, 18,996.39 and 4,871.25

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Solution

The fourth proportional to 12,667.91, 18,996.39 and 4,871.25 is: 7,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.91 : 18,996.39 = 4,871.25 : x
  2. Step 2: Convert to fraction form
    12,667.91/18,996.39 = 4,871.25/x
  3. Step 3: Cross multiply
    12,667.91x = 18,996.39 × 4,871.25
  4. Step 4: Simplify right side
    12,667.91x = 92,536,164.79
  5. Step 5: Solve for x
    x = 92,536,164.79/12,667.91
  6. Step 6: Final answer
    x = 7,304.77

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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.