Home / 13,904.54-20,854.28-5,584.22

Finding the Fourth Proportional to 13,904.54, 20,854.28 and 5,584.22

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Solution

The fourth proportional to 13,904.54, 20,854.28 and 5,584.22 is: 8,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.54 : 20,854.28 = 5,584.22 : x
  2. Step 2: Convert to fraction form
    13,904.54/20,854.28 = 5,584.22/x
  3. Step 3: Cross multiply
    13,904.54x = 20,854.28 × 5,584.22
  4. Step 4: Simplify right side
    13,904.54x = 116,454,887.46
  5. Step 5: Solve for x
    x = 116,454,887.46/13,904.54
  6. Step 6: Final answer
    x = 8,375.31

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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.