Home / 14,940.72-22,419.36-12,589.74

Finding the Fourth Proportional to 14,940.72, 22,419.36 and 12,589.74

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Solution

The fourth proportional to 14,940.72, 22,419.36 and 12,589.74 is: 18,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.72 : 22,419.36 = 12,589.74 : x
  2. Step 2: Convert to fraction form
    14,940.72/22,419.36 = 12,589.74/x
  3. Step 3: Cross multiply
    14,940.72x = 22,419.36 × 12,589.74
  4. Step 4: Simplify right side
    14,940.72x = 282,253,913.37
  5. Step 5: Solve for x
    x = 282,253,913.37/14,940.72
  6. Step 6: Final answer
    x = 18,891.59

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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.