Home / 14,982.62-20,684.30-9,015.75

Finding the Fourth Proportional to 14,982.62, 20,684.30 and 9,015.75

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Solution

The fourth proportional to 14,982.62, 20,684.30 and 9,015.75 is: 12,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.62 : 20,684.30 = 9,015.75 : x
  2. Step 2: Convert to fraction form
    14,982.62/20,684.30 = 9,015.75/x
  3. Step 3: Cross multiply
    14,982.62x = 20,684.30 × 9,015.75
  4. Step 4: Simplify right side
    14,982.62x = 186,484,432.65
  5. Step 5: Solve for x
    x = 186,484,432.65/14,982.62
  6. Step 6: Final answer
    x = 12,446.72

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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.