Home / 14,425.92-19,908.72-9,118.80

Finding the Fourth Proportional to 14,425.92, 19,908.72 and 9,118.80

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Solution

The fourth proportional to 14,425.92, 19,908.72 and 9,118.80 is: 12,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.92 : 19,908.72 = 9,118.80 : x
  2. Step 2: Convert to fraction form
    14,425.92/19,908.72 = 9,118.80/x
  3. Step 3: Cross multiply
    14,425.92x = 19,908.72 × 9,118.80
  4. Step 4: Simplify right side
    14,425.92x = 181,543,635.94
  5. Step 5: Solve for x
    x = 181,543,635.94/14,425.92
  6. Step 6: Final answer
    x = 12,584.54

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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.