Home / 14,497.38-21,720.50-12,698.36

Finding the Fourth Proportional to 14,497.38, 21,720.50 and 12,698.36

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Solution

The fourth proportional to 14,497.38, 21,720.50 and 12,698.36 is: 19,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.38 : 21,720.50 = 12,698.36 : x
  2. Step 2: Convert to fraction form
    14,497.38/21,720.50 = 12,698.36/x
  3. Step 3: Cross multiply
    14,497.38x = 21,720.50 × 12,698.36
  4. Step 4: Simplify right side
    14,497.38x = 275,814,728.38
  5. Step 5: Solve for x
    x = 275,814,728.38/14,497.38
  6. Step 6: Final answer
    x = 19,025.14

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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.