Home / 14,044.53-21,004.82-12,495.40

Finding the Fourth Proportional to 14,044.53, 21,004.82 and 12,495.40

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Solution

The fourth proportional to 14,044.53, 21,004.82 and 12,495.40 is: 18,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.53 : 21,004.82 = 12,495.40 : x
  2. Step 2: Convert to fraction form
    14,044.53/21,004.82 = 12,495.40/x
  3. Step 3: Cross multiply
    14,044.53x = 21,004.82 × 12,495.40
  4. Step 4: Simplify right side
    14,044.53x = 262,463,627.83
  5. Step 5: Solve for x
    x = 262,463,627.83/14,044.53
  6. Step 6: Final answer
    x = 18,687.96

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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.