Home / 18,667.20-25,760.73-10,283.70

Finding the Fourth Proportional to 18,667.20, 25,760.73 and 10,283.70

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Solution

The fourth proportional to 18,667.20, 25,760.73 and 10,283.70 is: 14,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.20 : 25,760.73 = 10,283.70 : x
  2. Step 2: Convert to fraction form
    18,667.20/25,760.73 = 10,283.70/x
  3. Step 3: Cross multiply
    18,667.20x = 25,760.73 × 10,283.70
  4. Step 4: Simplify right side
    18,667.20x = 264,915,619.10
  5. Step 5: Solve for x
    x = 264,915,619.10/18,667.20
  6. Step 6: Final answer
    x = 14,191.50

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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.