Home / 12,923.30-19,385.07-3,563.48

Finding the Fourth Proportional to 12,923.30, 19,385.07 and 3,563.48

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Solution

The fourth proportional to 12,923.30, 19,385.07 and 3,563.48 is: 5,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.30 : 19,385.07 = 3,563.48 : x
  2. Step 2: Convert to fraction form
    12,923.30/19,385.07 = 3,563.48/x
  3. Step 3: Cross multiply
    12,923.30x = 19,385.07 × 3,563.48
  4. Step 4: Simplify right side
    12,923.30x = 69,078,309.24
  5. Step 5: Solve for x
    x = 69,078,309.24/12,923.30
  6. Step 6: Final answer
    x = 5,345.25

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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.