Home / 9,787.21-14,680.64-3,943.67

Finding the Fourth Proportional to 9,787.21, 14,680.64 and 3,943.67

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Solution

The fourth proportional to 9,787.21, 14,680.64 and 3,943.67 is: 5,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.21 : 14,680.64 = 3,943.67 : x
  2. Step 2: Convert to fraction form
    9,787.21/14,680.64 = 3,943.67/x
  3. Step 3: Cross multiply
    9,787.21x = 14,680.64 × 3,943.67
  4. Step 4: Simplify right side
    9,787.21x = 57,895,579.83
  5. Step 5: Solve for x
    x = 57,895,579.83/9,787.21
  6. Step 6: Final answer
    x = 5,915.43

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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.