Home / 18,765.41-25,896.06-10,267.70

Finding the Fourth Proportional to 18,765.41, 25,896.06 and 10,267.70

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Solution

The fourth proportional to 18,765.41, 25,896.06 and 10,267.70 is: 14,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.41 : 25,896.06 = 10,267.70 : x
  2. Step 2: Convert to fraction form
    18,765.41/25,896.06 = 10,267.70/x
  3. Step 3: Cross multiply
    18,765.41x = 25,896.06 × 10,267.70
  4. Step 4: Simplify right side
    18,765.41x = 265,892,975.26
  5. Step 5: Solve for x
    x = 265,892,975.26/18,765.41
  6. Step 6: Final answer
    x = 14,169.31

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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.