Home / 22,777.88-34,177.75-12,389.63

Finding the Fourth Proportional to 22,777.88, 34,177.75 and 12,389.63

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Solution

The fourth proportional to 22,777.88, 34,177.75 and 12,389.63 is: 18,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.88 : 34,177.75 = 12,389.63 : x
  2. Step 2: Convert to fraction form
    22,777.88/34,177.75 = 12,389.63/x
  3. Step 3: Cross multiply
    22,777.88x = 34,177.75 × 12,389.63
  4. Step 4: Simplify right side
    22,777.88x = 423,449,474.87
  5. Step 5: Solve for x
    x = 423,449,474.87/22,777.88
  6. Step 6: Final answer
    x = 18,590.39

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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.