Home / 18,669.38-25,764.21-10,285.88

Finding the Fourth Proportional to 18,669.38, 25,764.21 and 10,285.88

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Solution

The fourth proportional to 18,669.38, 25,764.21 and 10,285.88 is: 14,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.38 : 25,764.21 = 10,285.88 : x
  2. Step 2: Convert to fraction form
    18,669.38/25,764.21 = 10,285.88/x
  3. Step 3: Cross multiply
    18,669.38x = 25,764.21 × 10,285.88
  4. Step 4: Simplify right side
    18,669.38x = 265,007,443.53
  5. Step 5: Solve for x
    x = 265,007,443.53/18,669.38
  6. Step 6: Final answer
    x = 14,194.77

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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.