Home / 13,364.48-20,027.54-7,508.78

Finding the Fourth Proportional to 13,364.48, 20,027.54 and 7,508.78

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Solution

The fourth proportional to 13,364.48, 20,027.54 and 7,508.78 is: 11,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.48 : 20,027.54 = 7,508.78 : x
  2. Step 2: Convert to fraction form
    13,364.48/20,027.54 = 7,508.78/x
  3. Step 3: Cross multiply
    13,364.48x = 20,027.54 × 7,508.78
  4. Step 4: Simplify right side
    13,364.48x = 150,382,391.80
  5. Step 5: Solve for x
    x = 150,382,391.80/13,364.48
  6. Step 6: Final answer
    x = 11,252.39

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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.