Home / 13,332.99-20,000.64-3,472.28

Finding the Fourth Proportional to 13,332.99, 20,000.64 and 3,472.28

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Solution

The fourth proportional to 13,332.99, 20,000.64 and 3,472.28 is: 5,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.99 : 20,000.64 = 3,472.28 : x
  2. Step 2: Convert to fraction form
    13,332.99/20,000.64 = 3,472.28/x
  3. Step 3: Cross multiply
    13,332.99x = 20,000.64 × 3,472.28
  4. Step 4: Simplify right side
    13,332.99x = 69,447,722.26
  5. Step 5: Solve for x
    x = 69,447,722.26/13,332.99
  6. Step 6: Final answer
    x = 5,208.71

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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.