Home / 18,191.05-27,285.46-10,698.75

Finding the Fourth Proportional to 18,191.05, 27,285.46 and 10,698.75

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Solution

The fourth proportional to 18,191.05, 27,285.46 and 10,698.75 is: 16,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.05 : 27,285.46 = 10,698.75 : x
  2. Step 2: Convert to fraction form
    18,191.05/27,285.46 = 10,698.75/x
  3. Step 3: Cross multiply
    18,191.05x = 27,285.46 × 10,698.75
  4. Step 4: Simplify right side
    18,191.05x = 291,920,288.43
  5. Step 5: Solve for x
    x = 291,920,288.43/18,191.05
  6. Step 6: Final answer
    x = 16,047.47

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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.