Home / 13,555.30-20,293.35-9,667.30

Finding the Fourth Proportional to 13,555.30, 20,293.35 and 9,667.30

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Solution

The fourth proportional to 13,555.30, 20,293.35 and 9,667.30 is: 14,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.30 : 20,293.35 = 9,667.30 : x
  2. Step 2: Convert to fraction form
    13,555.30/20,293.35 = 9,667.30/x
  3. Step 3: Cross multiply
    13,555.30x = 20,293.35 × 9,667.30
  4. Step 4: Simplify right side
    13,555.30x = 196,181,902.46
  5. Step 5: Solve for x
    x = 196,181,902.46/13,555.30
  6. Step 6: Final answer
    x = 14,472.71

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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.