Home / 13,032.21-19,548.32-3,171.49

Finding the Fourth Proportional to 13,032.21, 19,548.32 and 3,171.49

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Solution

The fourth proportional to 13,032.21, 19,548.32 and 3,171.49 is: 4,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.21 : 19,548.32 = 3,171.49 : x
  2. Step 2: Convert to fraction form
    13,032.21/19,548.32 = 3,171.49/x
  3. Step 3: Cross multiply
    13,032.21x = 19,548.32 × 3,171.49
  4. Step 4: Simplify right side
    13,032.21x = 61,997,301.40
  5. Step 5: Solve for x
    x = 61,997,301.40/13,032.21
  6. Step 6: Final answer
    x = 4,757.24

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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.