Home / 17,813.18-26,722.20-7,422.50

Finding the Fourth Proportional to 17,813.18, 26,722.20 and 7,422.50

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Solution

The fourth proportional to 17,813.18, 26,722.20 and 7,422.50 is: 11,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.18 : 26,722.20 = 7,422.50 : x
  2. Step 2: Convert to fraction form
    17,813.18/26,722.20 = 7,422.50/x
  3. Step 3: Cross multiply
    17,813.18x = 26,722.20 × 7,422.50
  4. Step 4: Simplify right side
    17,813.18x = 198,345,529.50
  5. Step 5: Solve for x
    x = 198,345,529.50/17,813.18
  6. Step 6: Final answer
    x = 11,134.76

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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.