Home / 13,360.48-20,021.55-7,504.77

Finding the Fourth Proportional to 13,360.48, 20,021.55 and 7,504.77

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Solution

The fourth proportional to 13,360.48, 20,021.55 and 7,504.77 is: 11,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.48 : 20,021.55 = 7,504.77 : x
  2. Step 2: Convert to fraction form
    13,360.48/20,021.55 = 7,504.77/x
  3. Step 3: Cross multiply
    13,360.48x = 20,021.55 × 7,504.77
  4. Step 4: Simplify right side
    13,360.48x = 150,257,027.69
  5. Step 5: Solve for x
    x = 150,257,027.69/13,360.48
  6. Step 6: Final answer
    x = 11,246.38

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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.