Home / 13,592.21-20,382.84-5,267.84

Finding the Fourth Proportional to 13,592.21, 20,382.84 and 5,267.84

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Solution

The fourth proportional to 13,592.21, 20,382.84 and 5,267.84 is: 7,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.21 : 20,382.84 = 5,267.84 : x
  2. Step 2: Convert to fraction form
    13,592.21/20,382.84 = 5,267.84/x
  3. Step 3: Cross multiply
    13,592.21x = 20,382.84 × 5,267.84
  4. Step 4: Simplify right side
    13,592.21x = 107,373,437.95
  5. Step 5: Solve for x
    x = 107,373,437.95/13,592.21
  6. Step 6: Final answer
    x = 7,899.63

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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.