Home / 11,133.56-16,707.63-4,208.06

Finding the Fourth Proportional to 11,133.56, 16,707.63 and 4,208.06

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Solution

The fourth proportional to 11,133.56, 16,707.63 and 4,208.06 is: 6,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.56 : 16,707.63 = 4,208.06 : x
  2. Step 2: Convert to fraction form
    11,133.56/16,707.63 = 4,208.06/x
  3. Step 3: Cross multiply
    11,133.56x = 16,707.63 × 4,208.06
  4. Step 4: Simplify right side
    11,133.56x = 70,306,767.05
  5. Step 5: Solve for x
    x = 70,306,767.05/11,133.56
  6. Step 6: Final answer
    x = 6,314.85

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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.