Home / 18,934.56-28,406.32-8,546.24

Finding the Fourth Proportional to 18,934.56, 28,406.32 and 8,546.24

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Solution

The fourth proportional to 18,934.56, 28,406.32 and 8,546.24 is: 12,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.56 : 28,406.32 = 8,546.24 : x
  2. Step 2: Convert to fraction form
    18,934.56/28,406.32 = 8,546.24/x
  3. Step 3: Cross multiply
    18,934.56x = 28,406.32 × 8,546.24
  4. Step 4: Simplify right side
    18,934.56x = 242,767,228.24
  5. Step 5: Solve for x
    x = 242,767,228.24/18,934.56
  6. Step 6: Final answer
    x = 12,821.38

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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.