Home / 18,500.40-27,742.10-5,349.65

Finding the Fourth Proportional to 18,500.40, 27,742.10 and 5,349.65

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Solution

The fourth proportional to 18,500.40, 27,742.10 and 5,349.65 is: 8,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.40 : 27,742.10 = 5,349.65 : x
  2. Step 2: Convert to fraction form
    18,500.40/27,742.10 = 5,349.65/x
  3. Step 3: Cross multiply
    18,500.40x = 27,742.10 × 5,349.65
  4. Step 4: Simplify right side
    18,500.40x = 148,410,359.81
  5. Step 5: Solve for x
    x = 148,410,359.81/18,500.40
  6. Step 6: Final answer
    x = 8,022.01

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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.