Home / 18,340.81-27,500.88-5,857.90

Finding the Fourth Proportional to 18,340.81, 27,500.88 and 5,857.90

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Solution

The fourth proportional to 18,340.81, 27,500.88 and 5,857.90 is: 8,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.81 : 27,500.88 = 5,857.90 : x
  2. Step 2: Convert to fraction form
    18,340.81/27,500.88 = 5,857.90/x
  3. Step 3: Cross multiply
    18,340.81x = 27,500.88 × 5,857.90
  4. Step 4: Simplify right side
    18,340.81x = 161,097,267.45
  5. Step 5: Solve for x
    x = 161,097,267.45/18,340.81
  6. Step 6: Final answer
    x = 8,783.54

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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.