Home / 14,667.11-20,235.30-9,634.05

Finding the Fourth Proportional to 14,667.11, 20,235.30 and 9,634.05

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Solution

The fourth proportional to 14,667.11, 20,235.30 and 9,634.05 is: 13,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667.11 : 20,235.30 = 9,634.05 : x
  2. Step 2: Convert to fraction form
    14,667.11/20,235.30 = 9,634.05/x
  3. Step 3: Cross multiply
    14,667.11x = 20,235.30 × 9,634.05
  4. Step 4: Simplify right side
    14,667.11x = 194,947,891.97
  5. Step 5: Solve for x
    x = 194,947,891.97/14,667.11
  6. Step 6: Final answer
    x = 13,291.50

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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.