Home / 18,765.50-25,896.40-10,383.26

Finding the Fourth Proportional to 18,765.50, 25,896.40 and 10,383.26

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Solution

The fourth proportional to 18,765.50, 25,896.40 and 10,383.26 is: 14,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.50 : 25,896.40 = 10,383.26 : x
  2. Step 2: Convert to fraction form
    18,765.50/25,896.40 = 10,383.26/x
  3. Step 3: Cross multiply
    18,765.50x = 25,896.40 × 10,383.26
  4. Step 4: Simplify right side
    18,765.50x = 268,889,054.26
  5. Step 5: Solve for x
    x = 268,889,054.26/18,765.50
  6. Step 6: Final answer
    x = 14,328.90

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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.