Home / 11,212.08-15,478.91-6,736.96

Finding the Fourth Proportional to 11,212.08, 15,478.91 and 6,736.96

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Solution

The fourth proportional to 11,212.08, 15,478.91 and 6,736.96 is: 9,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.08 : 15,478.91 = 6,736.96 : x
  2. Step 2: Convert to fraction form
    11,212.08/15,478.91 = 6,736.96/x
  3. Step 3: Cross multiply
    11,212.08x = 15,478.91 × 6,736.96
  4. Step 4: Simplify right side
    11,212.08x = 104,280,797.51
  5. Step 5: Solve for x
    x = 104,280,797.51/11,212.08
  6. Step 6: Final answer
    x = 9,300.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.