Home / 11,608.49-16,019.31-6,303.20

Finding the Fourth Proportional to 11,608.49, 16,019.31 and 6,303.20

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Solution

The fourth proportional to 11,608.49, 16,019.31 and 6,303.20 is: 8,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.49 : 16,019.31 = 6,303.20 : x
  2. Step 2: Convert to fraction form
    11,608.49/16,019.31 = 6,303.20/x
  3. Step 3: Cross multiply
    11,608.49x = 16,019.31 × 6,303.20
  4. Step 4: Simplify right side
    11,608.49x = 100,972,914.79
  5. Step 5: Solve for x
    x = 100,972,914.79/11,608.49
  6. Step 6: Final answer
    x = 8,698.20

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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.