Home / 13,891.52-20,838.90-4,529.18

Finding the Fourth Proportional to 13,891.52, 20,838.90 and 4,529.18

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Solution

The fourth proportional to 13,891.52, 20,838.90 and 4,529.18 is: 6,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.52 : 20,838.90 = 4,529.18 : x
  2. Step 2: Convert to fraction form
    13,891.52/20,838.90 = 4,529.18/x
  3. Step 3: Cross multiply
    13,891.52x = 20,838.90 × 4,529.18
  4. Step 4: Simplify right side
    13,891.52x = 94,383,129.10
  5. Step 5: Solve for x
    x = 94,383,129.10/13,891.52
  6. Step 6: Final answer
    x = 6,794.30

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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.