Home / 16,678.98-25,016.30-6,289.38

Finding the Fourth Proportional to 16,678.98, 25,016.30 and 6,289.38

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Solution

The fourth proportional to 16,678.98, 25,016.30 and 6,289.38 is: 9,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.98 : 25,016.30 = 6,289.38 : x
  2. Step 2: Convert to fraction form
    16,678.98/25,016.30 = 6,289.38/x
  3. Step 3: Cross multiply
    16,678.98x = 25,016.30 × 6,289.38
  4. Step 4: Simplify right side
    16,678.98x = 157,337,016.89
  5. Step 5: Solve for x
    x = 157,337,016.89/16,678.98
  6. Step 6: Final answer
    x = 9,433.25

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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.