Home / 14,318.08-21,447.72-6,900.64

Finding the Fourth Proportional to 14,318.08, 21,447.72 and 6,900.64

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Solution

The fourth proportional to 14,318.08, 21,447.72 and 6,900.64 is: 10,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.08 : 21,447.72 = 6,900.64 : x
  2. Step 2: Convert to fraction form
    14,318.08/21,447.72 = 6,900.64/x
  3. Step 3: Cross multiply
    14,318.08x = 21,447.72 × 6,900.64
  4. Step 4: Simplify right side
    14,318.08x = 148,002,994.54
  5. Step 5: Solve for x
    x = 148,002,994.54/14,318.08
  6. Step 6: Final answer
    x = 10,336.79

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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.