Home / 18,667.26-27,995.12-5,339.32

Finding the Fourth Proportional to 18,667.26, 27,995.12 and 5,339.32

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Solution

The fourth proportional to 18,667.26, 27,995.12 and 5,339.32 is: 8,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.26 : 27,995.12 = 5,339.32 : x
  2. Step 2: Convert to fraction form
    18,667.26/27,995.12 = 5,339.32/x
  3. Step 3: Cross multiply
    18,667.26x = 27,995.12 × 5,339.32
  4. Step 4: Simplify right side
    18,667.26x = 149,474,827.46
  5. Step 5: Solve for x
    x = 149,474,827.46/18,667.26
  6. Step 6: Final answer
    x = 8,007.33

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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.