Home / 12,923.55-19,385.45-3,563.73

Finding the Fourth Proportional to 12,923.55, 19,385.45 and 3,563.73

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Solution

The fourth proportional to 12,923.55, 19,385.45 and 3,563.73 is: 5,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.55 : 19,385.45 = 3,563.73 : x
  2. Step 2: Convert to fraction form
    12,923.55/19,385.45 = 3,563.73/x
  3. Step 3: Cross multiply
    12,923.55x = 19,385.45 × 3,563.73
  4. Step 4: Simplify right side
    12,923.55x = 69,084,491.91
  5. Step 5: Solve for x
    x = 69,084,491.91/12,923.55
  6. Step 6: Final answer
    x = 5,345.63

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1.5x scale

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.