Home / 13,942.84-20,915.46-4,580.02

Finding the Fourth Proportional to 13,942.84, 20,915.46 and 4,580.02

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Solution

The fourth proportional to 13,942.84, 20,915.46 and 4,580.02 is: 6,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.84 : 20,915.46 = 4,580.02 : x
  2. Step 2: Convert to fraction form
    13,942.84/20,915.46 = 4,580.02/x
  3. Step 3: Cross multiply
    13,942.84x = 20,915.46 × 4,580.02
  4. Step 4: Simplify right side
    13,942.84x = 95,793,225.11
  5. Step 5: Solve for x
    x = 95,793,225.11/13,942.84
  6. Step 6: Final answer
    x = 6,870.42

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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.