Home / 18,257.46-25,190.91-10,702.86

Finding the Fourth Proportional to 18,257.46, 25,190.91 and 10,702.86

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Solution

The fourth proportional to 18,257.46, 25,190.91 and 10,702.86 is: 14,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.46 : 25,190.91 = 10,702.86 : x
  2. Step 2: Convert to fraction form
    18,257.46/25,190.91 = 10,702.86/x
  3. Step 3: Cross multiply
    18,257.46x = 25,190.91 × 10,702.86
  4. Step 4: Simplify right side
    18,257.46x = 269,614,783.00
  5. Step 5: Solve for x
    x = 269,614,783.00/18,257.46
  6. Step 6: Final answer
    x = 14,767.38

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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.