Home / 13,904.10-20,858.76-5,584.77

Finding the Fourth Proportional to 13,904.10, 20,858.76 and 5,584.77

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Solution

The fourth proportional to 13,904.10, 20,858.76 and 5,584.77 is: 8,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.10 : 20,858.76 = 5,584.77 : x
  2. Step 2: Convert to fraction form
    13,904.10/20,858.76 = 5,584.77/x
  3. Step 3: Cross multiply
    13,904.10x = 20,858.76 × 5,584.77
  4. Step 4: Simplify right side
    13,904.10x = 116,491,377.09
  5. Step 5: Solve for x
    x = 116,491,377.09/13,904.10
  6. Step 6: Final answer
    x = 8,378.20

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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.