Home / 14,490.70-19,999.66-8,522.62

Finding the Fourth Proportional to 14,490.70, 19,999.66 and 8,522.62

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Solution

The fourth proportional to 14,490.70, 19,999.66 and 8,522.62 is: 11,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.70 : 19,999.66 = 8,522.62 : x
  2. Step 2: Convert to fraction form
    14,490.70/19,999.66 = 8,522.62/x
  3. Step 3: Cross multiply
    14,490.70x = 19,999.66 × 8,522.62
  4. Step 4: Simplify right side
    14,490.70x = 170,449,446.98
  5. Step 5: Solve for x
    x = 170,449,446.98/14,490.70
  6. Step 6: Final answer
    x = 11,762.68

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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.