Home / 18,289.73-27,435.59-5,141.06

Finding the Fourth Proportional to 18,289.73, 27,435.59 and 5,141.06

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Solution

The fourth proportional to 18,289.73, 27,435.59 and 5,141.06 is: 7,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.73 : 27,435.59 = 5,141.06 : x
  2. Step 2: Convert to fraction form
    18,289.73/27,435.59 = 5,141.06/x
  3. Step 3: Cross multiply
    18,289.73x = 27,435.59 × 5,141.06
  4. Step 4: Simplify right side
    18,289.73x = 141,047,890.00
  5. Step 5: Solve for x
    x = 141,047,890.00/18,289.73
  6. Step 6: Final answer
    x = 7,711.86

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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.