Home / 13,710.88-20,567.52-3,850.24

Finding the Fourth Proportional to 13,710.88, 20,567.52 and 3,850.24

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Solution

The fourth proportional to 13,710.88, 20,567.52 and 3,850.24 is: 5,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.88 : 20,567.52 = 3,850.24 : x
  2. Step 2: Convert to fraction form
    13,710.88/20,567.52 = 3,850.24/x
  3. Step 3: Cross multiply
    13,710.88x = 20,567.52 × 3,850.24
  4. Step 4: Simplify right side
    13,710.88x = 79,189,888.20
  5. Step 5: Solve for x
    x = 79,189,888.20/13,710.88
  6. Step 6: Final answer
    x = 5,775.70

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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.