Home / 14,399.12-21,565.56-12,016.64

Finding the Fourth Proportional to 14,399.12, 21,565.56 and 12,016.64

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Solution

The fourth proportional to 14,399.12, 21,565.56 and 12,016.64 is: 17,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.12 : 21,565.56 = 12,016.64 : x
  2. Step 2: Convert to fraction form
    14,399.12/21,565.56 = 12,016.64/x
  3. Step 3: Cross multiply
    14,399.12x = 21,565.56 × 12,016.64
  4. Step 4: Simplify right side
    14,399.12x = 259,145,570.92
  5. Step 5: Solve for x
    x = 259,145,570.92/14,399.12
  6. Step 6: Final answer
    x = 17,997.32

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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.