Home / 18,284.38-27,430.68-5,804.81

Finding the Fourth Proportional to 18,284.38, 27,430.68 and 5,804.81

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Solution

The fourth proportional to 18,284.38, 27,430.68 and 5,804.81 is: 8,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.38 : 27,430.68 = 5,804.81 : x
  2. Step 2: Convert to fraction form
    18,284.38/27,430.68 = 5,804.81/x
  3. Step 3: Cross multiply
    18,284.38x = 27,430.68 × 5,804.81
  4. Step 4: Simplify right side
    18,284.38x = 159,229,856.55
  5. Step 5: Solve for x
    x = 159,229,856.55/18,284.38
  6. Step 6: Final answer
    x = 8,708.52

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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.