Home / 11,283.60-16,928.10-4,706.40

Finding the Fourth Proportional to 11,283.60, 16,928.10 and 4,706.40

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Solution

The fourth proportional to 11,283.60, 16,928.10 and 4,706.40 is: 7,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.60 : 16,928.10 = 4,706.40 : x
  2. Step 2: Convert to fraction form
    11,283.60/16,928.10 = 4,706.40/x
  3. Step 3: Cross multiply
    11,283.60x = 16,928.10 × 4,706.40
  4. Step 4: Simplify right side
    11,283.60x = 79,670,409.84
  5. Step 5: Solve for x
    x = 79,670,409.84/11,283.60
  6. Step 6: Final answer
    x = 7,060.73

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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.