Home / 18,519.40-27,780.56-6,039.16

Finding the Fourth Proportional to 18,519.40, 27,780.56 and 6,039.16

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Solution

The fourth proportional to 18,519.40, 27,780.56 and 6,039.16 is: 9,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.40 : 27,780.56 = 6,039.16 : x
  2. Step 2: Convert to fraction form
    18,519.40/27,780.56 = 6,039.16/x
  3. Step 3: Cross multiply
    18,519.40x = 27,780.56 × 6,039.16
  4. Step 4: Simplify right side
    18,519.40x = 167,771,246.73
  5. Step 5: Solve for x
    x = 167,771,246.73/18,519.40
  6. Step 6: Final answer
    x = 9,059.22

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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.