Home / 13,455.72-20,182.01-3,595.77

Finding the Fourth Proportional to 13,455.72, 20,182.01 and 3,595.77

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Solution

The fourth proportional to 13,455.72, 20,182.01 and 3,595.77 is: 5,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.72 : 20,182.01 = 3,595.77 : x
  2. Step 2: Convert to fraction form
    13,455.72/20,182.01 = 3,595.77/x
  3. Step 3: Cross multiply
    13,455.72x = 20,182.01 × 3,595.77
  4. Step 4: Simplify right side
    13,455.72x = 72,569,811.58
  5. Step 5: Solve for x
    x = 72,569,811.58/13,455.72
  6. Step 6: Final answer
    x = 5,393.23

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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.