Home / 18,128.22-27,170.46-9,358.35

Finding the Fourth Proportional to 18,128.22, 27,170.46 and 9,358.35

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Solution

The fourth proportional to 18,128.22, 27,170.46 and 9,358.35 is: 14,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.22 : 27,170.46 = 9,358.35 : x
  2. Step 2: Convert to fraction form
    18,128.22/27,170.46 = 9,358.35/x
  3. Step 3: Cross multiply
    18,128.22x = 27,170.46 × 9,358.35
  4. Step 4: Simplify right side
    18,128.22x = 254,270,674.34
  5. Step 5: Solve for x
    x = 254,270,674.34/18,128.22
  6. Step 6: Final answer
    x = 14,026.24

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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.