Home / 14,245.94-19,644.30-9,776.22

Finding the Fourth Proportional to 14,245.94, 19,644.30 and 9,776.22

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Solution

The fourth proportional to 14,245.94, 19,644.30 and 9,776.22 is: 13,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.94 : 19,644.30 = 9,776.22 : x
  2. Step 2: Convert to fraction form
    14,245.94/19,644.30 = 9,776.22/x
  3. Step 3: Cross multiply
    14,245.94x = 19,644.30 × 9,776.22
  4. Step 4: Simplify right side
    14,245.94x = 192,046,998.55
  5. Step 5: Solve for x
    x = 192,046,998.55/14,245.94
  6. Step 6: Final answer
    x = 13,480.82

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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.