Home / 13,514.88-20,271.84-3,655.68

Finding the Fourth Proportional to 13,514.88, 20,271.84 and 3,655.68

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Solution

The fourth proportional to 13,514.88, 20,271.84 and 3,655.68 is: 5,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.88 : 20,271.84 = 3,655.68 : x
  2. Step 2: Convert to fraction form
    13,514.88/20,271.84 = 3,655.68/x
  3. Step 3: Cross multiply
    13,514.88x = 20,271.84 × 3,655.68
  4. Step 4: Simplify right side
    13,514.88x = 74,107,360.05
  5. Step 5: Solve for x
    x = 74,107,360.05/13,514.88
  6. Step 6: Final answer
    x = 5,483.39

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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.