Home / 9,787.45-14,683.67-3,213.69

Finding the Fourth Proportional to 9,787.45, 14,683.67 and 3,213.69

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Solution

The fourth proportional to 9,787.45, 14,683.67 and 3,213.69 is: 4,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.45 : 14,683.67 = 3,213.69 : x
  2. Step 2: Convert to fraction form
    9,787.45/14,683.67 = 3,213.69/x
  3. Step 3: Cross multiply
    9,787.45x = 14,683.67 × 3,213.69
  4. Step 4: Simplify right side
    9,787.45x = 47,188,763.44
  5. Step 5: Solve for x
    x = 47,188,763.44/9,787.45
  6. Step 6: Final answer
    x = 4,821.35

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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.