Home / 13,322.25-19,987.29-3,962.34

Finding the Fourth Proportional to 13,322.25, 19,987.29 and 3,962.34

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Solution

The fourth proportional to 13,322.25, 19,987.29 and 3,962.34 is: 5,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.25 : 19,987.29 = 3,962.34 : x
  2. Step 2: Convert to fraction form
    13,322.25/19,987.29 = 3,962.34/x
  3. Step 3: Cross multiply
    13,322.25x = 19,987.29 × 3,962.34
  4. Step 4: Simplify right side
    13,322.25x = 79,196,438.66
  5. Step 5: Solve for x
    x = 79,196,438.66/13,322.25
  6. Step 6: Final answer
    x = 5,944.67

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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.