Home / 14,234.30-19,628-9,983.96

Finding the Fourth Proportional to 14,234.30, 19,628 and 9,983.96

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Solution

The fourth proportional to 14,234.30, 19,628 and 9,983.96 is: 13,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.30 : 19,628 = 9,983.96 : x
  2. Step 2: Convert to fraction form
    14,234.30/19,628 = 9,983.96/x
  3. Step 3: Cross multiply
    14,234.30x = 19,628 × 9,983.96
  4. Step 4: Simplify right side
    14,234.30x = 195,965,166.88
  5. Step 5: Solve for x
    x = 195,965,166.88/14,234.30
  6. Step 6: Final answer
    x = 13,767.11

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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.