Home / 12,814.58-19,225.07-3,580.50

Finding the Fourth Proportional to 12,814.58, 19,225.07 and 3,580.50

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Solution

The fourth proportional to 12,814.58, 19,225.07 and 3,580.50 is: 5,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.58 : 19,225.07 = 3,580.50 : x
  2. Step 2: Convert to fraction form
    12,814.58/19,225.07 = 3,580.50/x
  3. Step 3: Cross multiply
    12,814.58x = 19,225.07 × 3,580.50
  4. Step 4: Simplify right side
    12,814.58x = 68,835,363.14
  5. Step 5: Solve for x
    x = 68,835,363.14/12,814.58
  6. Step 6: Final answer
    x = 5,371.64

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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.