Home / 9,439.97-14,161.85-5,285.89

Finding the Fourth Proportional to 9,439.97, 14,161.85 and 5,285.89

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Solution

The fourth proportional to 9,439.97, 14,161.85 and 5,285.89 is: 7,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.97 : 14,161.85 = 5,285.89 : x
  2. Step 2: Convert to fraction form
    9,439.97/14,161.85 = 5,285.89/x
  3. Step 3: Cross multiply
    9,439.97x = 14,161.85 × 5,285.89
  4. Step 4: Simplify right side
    9,439.97x = 74,857,884.06
  5. Step 5: Solve for x
    x = 74,857,884.06/9,439.97
  6. Step 6: Final answer
    x = 7,929.89

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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.