Home / 11,124.40-16,667.88-6,728.48

Finding the Fourth Proportional to 11,124.40, 16,667.88 and 6,728.48

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Solution

The fourth proportional to 11,124.40, 16,667.88 and 6,728.48 is: 10,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.40 : 16,667.88 = 6,728.48 : x
  2. Step 2: Convert to fraction form
    11,124.40/16,667.88 = 6,728.48/x
  3. Step 3: Cross multiply
    11,124.40x = 16,667.88 × 6,728.48
  4. Step 4: Simplify right side
    11,124.40x = 112,149,497.22
  5. Step 5: Solve for x
    x = 112,149,497.22/11,124.40
  6. Step 6: Final answer
    x = 10,081.40

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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.