Home / 16,770.64-23,144.58-9,318.64

Finding the Fourth Proportional to 16,770.64, 23,144.58 and 9,318.64

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Solution

The fourth proportional to 16,770.64, 23,144.58 and 9,318.64 is: 12,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.64 : 23,144.58 = 9,318.64 : x
  2. Step 2: Convert to fraction form
    16,770.64/23,144.58 = 9,318.64/x
  3. Step 3: Cross multiply
    16,770.64x = 23,144.58 × 9,318.64
  4. Step 4: Simplify right side
    16,770.64x = 215,676,008.97
  5. Step 5: Solve for x
    x = 215,676,008.97/16,770.64
  6. Step 6: Final answer
    x = 12,860.33

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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.