Home / 17,785.48-26,622.30-12,206.20

Finding the Fourth Proportional to 17,785.48, 26,622.30 and 12,206.20

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Solution

The fourth proportional to 17,785.48, 26,622.30 and 12,206.20 is: 18,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.48 : 26,622.30 = 12,206.20 : x
  2. Step 2: Convert to fraction form
    17,785.48/26,622.30 = 12,206.20/x
  3. Step 3: Cross multiply
    17,785.48x = 26,622.30 × 12,206.20
  4. Step 4: Simplify right side
    17,785.48x = 324,957,118.26
  5. Step 5: Solve for x
    x = 324,957,118.26/17,785.48
  6. Step 6: Final answer
    x = 18,270.92

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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.