Home / 14,708.97-20,287.58-9,333.05

Finding the Fourth Proportional to 14,708.97, 20,287.58 and 9,333.05

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Solution

The fourth proportional to 14,708.97, 20,287.58 and 9,333.05 is: 12,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.97 : 20,287.58 = 9,333.05 : x
  2. Step 2: Convert to fraction form
    14,708.97/20,287.58 = 9,333.05/x
  3. Step 3: Cross multiply
    14,708.97x = 20,287.58 × 9,333.05
  4. Step 4: Simplify right side
    14,708.97x = 189,344,850.42
  5. Step 5: Solve for x
    x = 189,344,850.42/14,708.97
  6. Step 6: Final answer
    x = 12,872.75

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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.