Home / 14,098.98-21,247.57-12,695.12

Finding the Fourth Proportional to 14,098.98, 21,247.57 and 12,695.12

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Solution

The fourth proportional to 14,098.98, 21,247.57 and 12,695.12 is: 19,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.98 : 21,247.57 = 12,695.12 : x
  2. Step 2: Convert to fraction form
    14,098.98/21,247.57 = 12,695.12/x
  3. Step 3: Cross multiply
    14,098.98x = 21,247.57 × 12,695.12
  4. Step 4: Simplify right side
    14,098.98x = 269,740,450.86
  5. Step 5: Solve for x
    x = 269,740,450.86/14,098.98
  6. Step 6: Final answer
    x = 19,131.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.