Home / 10,946.88-16,420.41-4,706.46

Finding the Fourth Proportional to 10,946.88, 16,420.41 and 4,706.46

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Solution

The fourth proportional to 10,946.88, 16,420.41 and 4,706.46 is: 7,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.88 : 16,420.41 = 4,706.46 : x
  2. Step 2: Convert to fraction form
    10,946.88/16,420.41 = 4,706.46/x
  3. Step 3: Cross multiply
    10,946.88x = 16,420.41 × 4,706.46
  4. Step 4: Simplify right side
    10,946.88x = 77,282,002.85
  5. Step 5: Solve for x
    x = 77,282,002.85/10,946.88
  6. Step 6: Final answer
    x = 7,059.73

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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.