Home / 18,289.37-25,239.80-11,116.82

Finding the Fourth Proportional to 18,289.37, 25,239.80 and 11,116.82

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Solution

The fourth proportional to 18,289.37, 25,239.80 and 11,116.82 is: 15,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.37 : 25,239.80 = 11,116.82 : x
  2. Step 2: Convert to fraction form
    18,289.37/25,239.80 = 11,116.82/x
  3. Step 3: Cross multiply
    18,289.37x = 25,239.80 × 11,116.82
  4. Step 4: Simplify right side
    18,289.37x = 280,586,404.33
  5. Step 5: Solve for x
    x = 280,586,404.33/18,289.37
  6. Step 6: Final answer
    x = 15,341.50

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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.