Home / 13,338.18-20,007.27-7,530.48

Finding the Fourth Proportional to 13,338.18, 20,007.27 and 7,530.48

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Solution

The fourth proportional to 13,338.18, 20,007.27 and 7,530.48 is: 11,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.18 : 20,007.27 = 7,530.48 : x
  2. Step 2: Convert to fraction form
    13,338.18/20,007.27 = 7,530.48/x
  3. Step 3: Cross multiply
    13,338.18x = 20,007.27 × 7,530.48
  4. Step 4: Simplify right side
    13,338.18x = 150,664,346.59
  5. Step 5: Solve for x
    x = 150,664,346.59/13,338.18
  6. Step 6: Final answer
    x = 11,295.72

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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.