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Finding the Fourth Proportional to 14,997.14, 22,509.72 and 7,606.79

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Solution

The fourth proportional to 14,997.14, 22,509.72 and 7,606.79 is: 11,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.14 : 22,509.72 = 7,606.79 : x
  2. Step 2: Convert to fraction form
    14,997.14/22,509.72 = 7,606.79/x
  3. Step 3: Cross multiply
    14,997.14x = 22,509.72 × 7,606.79
  4. Step 4: Simplify right side
    14,997.14x = 171,226,713.00
  5. Step 5: Solve for x
    x = 171,226,713.00/14,997.14
  6. Step 6: Final answer
    x = 11,417.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.