Home / 12,528.88-18,791.26-3,762.24

Finding the Fourth Proportional to 12,528.88, 18,791.26 and 3,762.24

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Solution

The fourth proportional to 12,528.88, 18,791.26 and 3,762.24 is: 5,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.88 : 18,791.26 = 3,762.24 : x
  2. Step 2: Convert to fraction form
    12,528.88/18,791.26 = 3,762.24/x
  3. Step 3: Cross multiply
    12,528.88x = 18,791.26 × 3,762.24
  4. Step 4: Simplify right side
    12,528.88x = 70,697,230.02
  5. Step 5: Solve for x
    x = 70,697,230.02/12,528.88
  6. Step 6: Final answer
    x = 5,642.74

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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.