Home / 13,287.92-19,918.19-5,895.86

Finding the Fourth Proportional to 13,287.92, 19,918.19 and 5,895.86

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Solution

The fourth proportional to 13,287.92, 19,918.19 and 5,895.86 is: 8,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.92 : 19,918.19 = 5,895.86 : x
  2. Step 2: Convert to fraction form
    13,287.92/19,918.19 = 5,895.86/x
  3. Step 3: Cross multiply
    13,287.92x = 19,918.19 × 5,895.86
  4. Step 4: Simplify right side
    13,287.92x = 117,434,774.84
  5. Step 5: Solve for x
    x = 117,434,774.84/13,287.92
  6. Step 6: Final answer
    x = 8,837.71

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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.