Home / 13,599.08-20,381.34-7,435.88

Finding the Fourth Proportional to 13,599.08, 20,381.34 and 7,435.88

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Solution

The fourth proportional to 13,599.08, 20,381.34 and 7,435.88 is: 11,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.08 : 20,381.34 = 7,435.88 : x
  2. Step 2: Convert to fraction form
    13,599.08/20,381.34 = 7,435.88/x
  3. Step 3: Cross multiply
    13,599.08x = 20,381.34 × 7,435.88
  4. Step 4: Simplify right side
    13,599.08x = 151,553,198.48
  5. Step 5: Solve for x
    x = 151,553,198.48/13,599.08
  6. Step 6: Final answer
    x = 11,144.37

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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.