Home / 18,288.88-25,237.26-10,331.92

Finding the Fourth Proportional to 18,288.88, 25,237.26 and 10,331.92

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Solution

The fourth proportional to 18,288.88, 25,237.26 and 10,331.92 is: 14,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.88 : 25,237.26 = 10,331.92 : x
  2. Step 2: Convert to fraction form
    18,288.88/25,237.26 = 10,331.92/x
  3. Step 3: Cross multiply
    18,288.88x = 25,237.26 × 10,331.92
  4. Step 4: Simplify right side
    18,288.88x = 260,749,351.34
  5. Step 5: Solve for x
    x = 260,749,351.34/18,288.88
  6. Step 6: Final answer
    x = 14,257.26

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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.