Home / 18,535.54-27,814.23-6,856.90

Finding the Fourth Proportional to 18,535.54, 27,814.23 and 6,856.90

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Solution

The fourth proportional to 18,535.54, 27,814.23 and 6,856.90 is: 10,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.54 : 27,814.23 = 6,856.90 : x
  2. Step 2: Convert to fraction form
    18,535.54/27,814.23 = 6,856.90/x
  3. Step 3: Cross multiply
    18,535.54x = 27,814.23 × 6,856.90
  4. Step 4: Simplify right side
    18,535.54x = 190,719,393.69
  5. Step 5: Solve for x
    x = 190,719,393.69/18,535.54
  6. Step 6: Final answer
    x = 10,289.39

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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.