Home / 22,940.04-34,419.78-12,539.64

Finding the Fourth Proportional to 22,940.04, 34,419.78 and 12,539.64

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Solution

The fourth proportional to 22,940.04, 34,419.78 and 12,539.64 is: 18,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.04 : 34,419.78 = 12,539.64 : x
  2. Step 2: Convert to fraction form
    22,940.04/34,419.78 = 12,539.64/x
  3. Step 3: Cross multiply
    22,940.04x = 34,419.78 × 12,539.64
  4. Step 4: Simplify right side
    22,940.04x = 431,611,650.08
  5. Step 5: Solve for x
    x = 431,611,650.08/22,940.04
  6. Step 6: Final answer
    x = 18,814.77

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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.