Home / 13,810-20,675.04-10,536.16

Finding the Fourth Proportional to 13,810, 20,675.04 and 10,536.16

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Solution

The fourth proportional to 13,810, 20,675.04 and 10,536.16 is: 15,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810 : 20,675.04 = 10,536.16 : x
  2. Step 2: Convert to fraction form
    13,810/20,675.04 = 10,536.16/x
  3. Step 3: Cross multiply
    13,810x = 20,675.04 × 10,536.16
  4. Step 4: Simplify right side
    13,810x = 217,835,529.45
  5. Step 5: Solve for x
    x = 217,835,529.45/13,810
  6. Step 6: Final answer
    x = 15,773.75

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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.