Home / 18,933.33-28,400.06-5,785.65

Finding the Fourth Proportional to 18,933.33, 28,400.06 and 5,785.65

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Solution

The fourth proportional to 18,933.33, 28,400.06 and 5,785.65 is: 8,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.33 : 28,400.06 = 5,785.65 : x
  2. Step 2: Convert to fraction form
    18,933.33/28,400.06 = 5,785.65/x
  3. Step 3: Cross multiply
    18,933.33x = 28,400.06 × 5,785.65
  4. Step 4: Simplify right side
    18,933.33x = 164,312,715.10
  5. Step 5: Solve for x
    x = 164,312,715.10/18,933.33
  6. Step 6: Final answer
    x = 8,678.49

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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.