Home / 13,802.88-20,711.64-10,536.96

Finding the Fourth Proportional to 13,802.88, 20,711.64 and 10,536.96

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Solution

The fourth proportional to 13,802.88, 20,711.64 and 10,536.96 is: 15,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.88 : 20,711.64 = 10,536.96 : x
  2. Step 2: Convert to fraction form
    13,802.88/20,711.64 = 10,536.96/x
  3. Step 3: Cross multiply
    13,802.88x = 20,711.64 × 10,536.96
  4. Step 4: Simplify right side
    13,802.88x = 218,237,722.21
  5. Step 5: Solve for x
    x = 218,237,722.21/13,802.88
  6. Step 6: Final answer
    x = 15,811.03

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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.