Home / 18,206.86-27,310.83-7,113.10

Finding the Fourth Proportional to 18,206.86, 27,310.83 and 7,113.10

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Solution

The fourth proportional to 18,206.86, 27,310.83 and 7,113.10 is: 10,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.86 : 27,310.83 = 7,113.10 : x
  2. Step 2: Convert to fraction form
    18,206.86/27,310.83 = 7,113.10/x
  3. Step 3: Cross multiply
    18,206.86x = 27,310.83 × 7,113.10
  4. Step 4: Simplify right side
    18,206.86x = 194,264,664.87
  5. Step 5: Solve for x
    x = 194,264,664.87/18,206.86
  6. Step 6: Final answer
    x = 10,669.86

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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.