Home / 14,352.72-21,529.07-4,992.78

Finding the Fourth Proportional to 14,352.72, 21,529.07 and 4,992.78

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Solution

The fourth proportional to 14,352.72, 21,529.07 and 4,992.78 is: 7,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.72 : 21,529.07 = 4,992.78 : x
  2. Step 2: Convert to fraction form
    14,352.72/21,529.07 = 4,992.78/x
  3. Step 3: Cross multiply
    14,352.72x = 21,529.07 × 4,992.78
  4. Step 4: Simplify right side
    14,352.72x = 107,489,910.11
  5. Step 5: Solve for x
    x = 107,489,910.11/14,352.72
  6. Step 6: Final answer
    x = 7,489.17

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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.