Home / 18,108.32-27,150.93-10,715.04

Finding the Fourth Proportional to 18,108.32, 27,150.93 and 10,715.04

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Solution

The fourth proportional to 18,108.32, 27,150.93 and 10,715.04 is: 16,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.32 : 27,150.93 = 10,715.04 : x
  2. Step 2: Convert to fraction form
    18,108.32/27,150.93 = 10,715.04/x
  3. Step 3: Cross multiply
    18,108.32x = 27,150.93 × 10,715.04
  4. Step 4: Simplify right side
    18,108.32x = 290,923,300.99
  5. Step 5: Solve for x
    x = 290,923,300.99/18,108.32
  6. Step 6: Final answer
    x = 16,065.73

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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.