Home / 13,520.64-20,282.03-4,757.52

Finding the Fourth Proportional to 13,520.64, 20,282.03 and 4,757.52

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Solution

The fourth proportional to 13,520.64, 20,282.03 and 4,757.52 is: 7,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.64 : 20,282.03 = 4,757.52 : x
  2. Step 2: Convert to fraction form
    13,520.64/20,282.03 = 4,757.52/x
  3. Step 3: Cross multiply
    13,520.64x = 20,282.03 × 4,757.52
  4. Step 4: Simplify right side
    13,520.64x = 96,492,139.58
  5. Step 5: Solve for x
    x = 96,492,139.58/13,520.64
  6. Step 6: Final answer
    x = 7,136.65

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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.