Home / 18,765.32-25,896.30-10,382.36

Finding the Fourth Proportional to 18,765.32, 25,896.30 and 10,382.36

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Solution

The fourth proportional to 18,765.32, 25,896.30 and 10,382.36 is: 14,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.32 : 25,896.30 = 10,382.36 : x
  2. Step 2: Convert to fraction form
    18,765.32/25,896.30 = 10,382.36/x
  3. Step 3: Cross multiply
    18,765.32x = 25,896.30 × 10,382.36
  4. Step 4: Simplify right side
    18,765.32x = 268,864,709.27
  5. Step 5: Solve for x
    x = 268,864,709.27/18,765.32
  6. Step 6: Final answer
    x = 14,327.74

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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.