Home / 18,506.91-27,759.56-5,358.99

Finding the Fourth Proportional to 18,506.91, 27,759.56 and 5,358.99

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Solution

The fourth proportional to 18,506.91, 27,759.56 and 5,358.99 is: 8,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.91 : 27,759.56 = 5,358.99 : x
  2. Step 2: Convert to fraction form
    18,506.91/27,759.56 = 5,358.99/x
  3. Step 3: Cross multiply
    18,506.91x = 27,759.56 × 5,358.99
  4. Step 4: Simplify right side
    18,506.91x = 148,763,177.65
  5. Step 5: Solve for x
    x = 148,763,177.65/18,506.91
  6. Step 6: Final answer
    x = 8,038.25

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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.