Home / 11,208.96-16,817.76-4,288.32

Finding the Fourth Proportional to 11,208.96, 16,817.76 and 4,288.32

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Solution

The fourth proportional to 11,208.96, 16,817.76 and 4,288.32 is: 6,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.96 : 16,817.76 = 4,288.32 : x
  2. Step 2: Convert to fraction form
    11,208.96/16,817.76 = 4,288.32/x
  3. Step 3: Cross multiply
    11,208.96x = 16,817.76 × 4,288.32
  4. Step 4: Simplify right side
    11,208.96x = 72,119,936.56
  5. Step 5: Solve for x
    x = 72,119,936.56/11,208.96
  6. Step 6: Final answer
    x = 6,434.13

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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.