Home / 13,896.12-20,840.82-4,032.72

Finding the Fourth Proportional to 13,896.12, 20,840.82 and 4,032.72

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Solution

The fourth proportional to 13,896.12, 20,840.82 and 4,032.72 is: 6,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.12 : 20,840.82 = 4,032.72 : x
  2. Step 2: Convert to fraction form
    13,896.12/20,840.82 = 4,032.72/x
  3. Step 3: Cross multiply
    13,896.12x = 20,840.82 × 4,032.72
  4. Step 4: Simplify right side
    13,896.12x = 84,045,191.63
  5. Step 5: Solve for x
    x = 84,045,191.63/13,896.12
  6. Step 6: Final answer
    x = 6,048.10

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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.