Home / 18,180.04-27,265.56-12,899.68

Finding the Fourth Proportional to 18,180.04, 27,265.56 and 12,899.68

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Solution

The fourth proportional to 18,180.04, 27,265.56 and 12,899.68 is: 19,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.04 : 27,265.56 = 12,899.68 : x
  2. Step 2: Convert to fraction form
    18,180.04/27,265.56 = 12,899.68/x
  3. Step 3: Cross multiply
    18,180.04x = 27,265.56 × 12,899.68
  4. Step 4: Simplify right side
    18,180.04x = 351,716,999.02
  5. Step 5: Solve for x
    x = 351,716,999.02/18,180.04
  6. Step 6: Final answer
    x = 19,346.33

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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.