Home / 13,584.36-20,366.88-5,257.34

Finding the Fourth Proportional to 13,584.36, 20,366.88 and 5,257.34

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Solution

The fourth proportional to 13,584.36, 20,366.88 and 5,257.34 is: 7,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.36 : 20,366.88 = 5,257.34 : x
  2. Step 2: Convert to fraction form
    13,584.36/20,366.88 = 5,257.34/x
  3. Step 3: Cross multiply
    13,584.36x = 20,366.88 × 5,257.34
  4. Step 4: Simplify right side
    13,584.36x = 107,075,612.90
  5. Step 5: Solve for x
    x = 107,075,612.90/13,584.36
  6. Step 6: Final answer
    x = 7,882.27

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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.