Home / 13,769.04-19,004.04-8,178.96

Finding the Fourth Proportional to 13,769.04, 19,004.04 and 8,178.96

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Solution

The fourth proportional to 13,769.04, 19,004.04 and 8,178.96 is: 11,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.04 : 19,004.04 = 8,178.96 : x
  2. Step 2: Convert to fraction form
    13,769.04/19,004.04 = 8,178.96/x
  3. Step 3: Cross multiply
    13,769.04x = 19,004.04 × 8,178.96
  4. Step 4: Simplify right side
    13,769.04x = 155,433,283.00
  5. Step 5: Solve for x
    x = 155,433,283.00/13,769.04
  6. Step 6: Final answer
    x = 11,288.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.