Home / 14,511.79-21,770.94-4,651.66

Finding the Fourth Proportional to 14,511.79, 21,770.94 and 4,651.66

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Solution

The fourth proportional to 14,511.79, 21,770.94 and 4,651.66 is: 6,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.79 : 21,770.94 = 4,651.66 : x
  2. Step 2: Convert to fraction form
    14,511.79/21,770.94 = 4,651.66/x
  3. Step 3: Cross multiply
    14,511.79x = 21,770.94 × 4,651.66
  4. Step 4: Simplify right side
    14,511.79x = 101,271,055.42
  5. Step 5: Solve for x
    x = 101,271,055.42/14,511.79
  6. Step 6: Final answer
    x = 6,978.54

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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.