Home / 14,511.20-21,766.80-4,657.55

Finding the Fourth Proportional to 14,511.20, 21,766.80 and 4,657.55

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Solution

The fourth proportional to 14,511.20, 21,766.80 and 4,657.55 is: 6,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.20 : 21,766.80 = 4,657.55 : x
  2. Step 2: Convert to fraction form
    14,511.20/21,766.80 = 4,657.55/x
  3. Step 3: Cross multiply
    14,511.20x = 21,766.80 × 4,657.55
  4. Step 4: Simplify right side
    14,511.20x = 101,379,959.34
  5. Step 5: Solve for x
    x = 101,379,959.34/14,511.20
  6. Step 6: Final answer
    x = 6,986.33

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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.