Home / 13,918.52-20,867.06-4,552.86

Finding the Fourth Proportional to 13,918.52, 20,867.06 and 4,552.86

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Solution

The fourth proportional to 13,918.52, 20,867.06 and 4,552.86 is: 6,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.52 : 20,867.06 = 4,552.86 : x
  2. Step 2: Convert to fraction form
    13,918.52/20,867.06 = 4,552.86/x
  3. Step 3: Cross multiply
    13,918.52x = 20,867.06 × 4,552.86
  4. Step 4: Simplify right side
    13,918.52x = 95,004,802.79
  5. Step 5: Solve for x
    x = 95,004,802.79/13,918.52
  6. Step 6: Final answer
    x = 6,825.78

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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.