Home / 13,923.12-20,904.12-9,257.52

Finding the Fourth Proportional to 13,923.12, 20,904.12 and 9,257.52

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Solution

The fourth proportional to 13,923.12, 20,904.12 and 9,257.52 is: 13,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.12 : 20,904.12 = 9,257.52 : x
  2. Step 2: Convert to fraction form
    13,923.12/20,904.12 = 9,257.52/x
  3. Step 3: Cross multiply
    13,923.12x = 20,904.12 × 9,257.52
  4. Step 4: Simplify right side
    13,923.12x = 193,520,308.98
  5. Step 5: Solve for x
    x = 193,520,308.98/13,923.12
  6. Step 6: Final answer
    x = 13,899.21

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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.