Home / 22,911.36-34,338.30-12,380.94

Finding the Fourth Proportional to 22,911.36, 34,338.30 and 12,380.94

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Solution

The fourth proportional to 22,911.36, 34,338.30 and 12,380.94 is: 18,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.36 : 34,338.30 = 12,380.94 : x
  2. Step 2: Convert to fraction form
    22,911.36/34,338.30 = 12,380.94/x
  3. Step 3: Cross multiply
    22,911.36x = 34,338.30 × 12,380.94
  4. Step 4: Simplify right side
    22,911.36x = 425,140,432.00
  5. Step 5: Solve for x
    x = 425,140,432.00/22,911.36
  6. Step 6: Final answer
    x = 18,555.88

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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.