Home / 18,153.78-27,205.56-9,370.68

Finding the Fourth Proportional to 18,153.78, 27,205.56 and 9,370.68

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Solution

The fourth proportional to 18,153.78, 27,205.56 and 9,370.68 is: 14,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.78 : 27,205.56 = 9,370.68 : x
  2. Step 2: Convert to fraction form
    18,153.78/27,205.56 = 9,370.68/x
  3. Step 3: Cross multiply
    18,153.78x = 27,205.56 × 9,370.68
  4. Step 4: Simplify right side
    18,153.78x = 254,934,596.98
  5. Step 5: Solve for x
    x = 254,934,596.98/18,153.78
  6. Step 6: Final answer
    x = 14,043.06

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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.