Home / 13,713.52-20,570.28-3,325.27

Finding the Fourth Proportional to 13,713.52, 20,570.28 and 3,325.27

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Solution

The fourth proportional to 13,713.52, 20,570.28 and 3,325.27 is: 4,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.52 : 20,570.28 = 3,325.27 : x
  2. Step 2: Convert to fraction form
    13,713.52/20,570.28 = 3,325.27/x
  3. Step 3: Cross multiply
    13,713.52x = 20,570.28 × 3,325.27
  4. Step 4: Simplify right side
    13,713.52x = 68,401,671.08
  5. Step 5: Solve for x
    x = 68,401,671.08/13,713.52
  6. Step 6: Final answer
    x = 4,987.90

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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.