Home / 19,418.34-26,874.30-18,952.50

Finding the Fourth Proportional to 19,418.34, 26,874.30 and 18,952.50

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Solution

The fourth proportional to 19,418.34, 26,874.30 and 18,952.50 is: 26,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.34 : 26,874.30 = 18,952.50 : x
  2. Step 2: Convert to fraction form
    19,418.34/26,874.30 = 18,952.50/x
  3. Step 3: Cross multiply
    19,418.34x = 26,874.30 × 18,952.50
  4. Step 4: Simplify right side
    19,418.34x = 509,335,170.75
  5. Step 5: Solve for x
    x = 509,335,170.75/19,418.34
  6. Step 6: Final answer
    x = 26,229.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.