Home / 13,832.04-20,765.57-11,520.34

Finding the Fourth Proportional to 13,832.04, 20,765.57 and 11,520.34

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Solution

The fourth proportional to 13,832.04, 20,765.57 and 11,520.34 is: 17,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.04 : 20,765.57 = 11,520.34 : x
  2. Step 2: Convert to fraction form
    13,832.04/20,765.57 = 11,520.34/x
  3. Step 3: Cross multiply
    13,832.04x = 20,765.57 × 11,520.34
  4. Step 4: Simplify right side
    13,832.04x = 239,226,317.18
  5. Step 5: Solve for x
    x = 239,226,317.18/13,832.04
  6. Step 6: Final answer
    x = 17,295.08

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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.