Home / 11,913.06-16,439.64-6,608.28

Finding the Fourth Proportional to 11,913.06, 16,439.64 and 6,608.28

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Solution

The fourth proportional to 11,913.06, 16,439.64 and 6,608.28 is: 9,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.06 : 16,439.64 = 6,608.28 : x
  2. Step 2: Convert to fraction form
    11,913.06/16,439.64 = 6,608.28/x
  3. Step 3: Cross multiply
    11,913.06x = 16,439.64 × 6,608.28
  4. Step 4: Simplify right side
    11,913.06x = 108,637,744.22
  5. Step 5: Solve for x
    x = 108,637,744.22/11,913.06
  6. Step 6: Final answer
    x = 9,119.21

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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.