Home / 19,289.63-28,934.37-6,143.06

Finding the Fourth Proportional to 19,289.63, 28,934.37 and 6,143.06

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Solution

The fourth proportional to 19,289.63, 28,934.37 and 6,143.06 is: 9,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.63 : 28,934.37 = 6,143.06 : x
  2. Step 2: Convert to fraction form
    19,289.63/28,934.37 = 6,143.06/x
  3. Step 3: Cross multiply
    19,289.63x = 28,934.37 × 6,143.06
  4. Step 4: Simplify right side
    19,289.63x = 177,745,426.30
  5. Step 5: Solve for x
    x = 177,745,426.30/19,289.63
  6. Step 6: Final answer
    x = 9,214.56

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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.