Home / 10,825.80-16,233.90-4,979.40

Finding the Fourth Proportional to 10,825.80, 16,233.90 and 4,979.40

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Solution

The fourth proportional to 10,825.80, 16,233.90 and 4,979.40 is: 7,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.80 : 16,233.90 = 4,979.40 : x
  2. Step 2: Convert to fraction form
    10,825.80/16,233.90 = 4,979.40/x
  3. Step 3: Cross multiply
    10,825.80x = 16,233.90 × 4,979.40
  4. Step 4: Simplify right side
    10,825.80x = 80,835,081.66
  5. Step 5: Solve for x
    x = 80,835,081.66/10,825.80
  6. Step 6: Final answer
    x = 7,466.89

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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.