Home / 18,297.90-27,446.85-9,411.39

Finding the Fourth Proportional to 18,297.90, 27,446.85 and 9,411.39

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Solution

The fourth proportional to 18,297.90, 27,446.85 and 9,411.39 is: 14,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.90 : 27,446.85 = 9,411.39 : x
  2. Step 2: Convert to fraction form
    18,297.90/27,446.85 = 9,411.39/x
  3. Step 3: Cross multiply
    18,297.90x = 27,446.85 × 9,411.39
  4. Step 4: Simplify right side
    18,297.90x = 258,313,009.62
  5. Step 5: Solve for x
    x = 258,313,009.62/18,297.90
  6. Step 6: Final answer
    x = 14,117.09

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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.