Home / 13,756.70-20,638.26-10,956.14

Finding the Fourth Proportional to 13,756.70, 20,638.26 and 10,956.14

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Solution

The fourth proportional to 13,756.70, 20,638.26 and 10,956.14 is: 16,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.70 : 20,638.26 = 10,956.14 : x
  2. Step 2: Convert to fraction form
    13,756.70/20,638.26 = 10,956.14/x
  3. Step 3: Cross multiply
    13,756.70x = 20,638.26 × 10,956.14
  4. Step 4: Simplify right side
    13,756.70x = 226,115,665.92
  5. Step 5: Solve for x
    x = 226,115,665.92/13,756.70
  6. Step 6: Final answer
    x = 16,436.77

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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.