Home / 13,417.35-20,035.65-10,956.96

Finding the Fourth Proportional to 13,417.35, 20,035.65 and 10,956.96

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Solution

The fourth proportional to 13,417.35, 20,035.65 and 10,956.96 is: 16,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.35 : 20,035.65 = 10,956.96 : x
  2. Step 2: Convert to fraction form
    13,417.35/20,035.65 = 10,956.96/x
  3. Step 3: Cross multiply
    13,417.35x = 20,035.65 × 10,956.96
  4. Step 4: Simplify right side
    13,417.35x = 219,529,815.62
  5. Step 5: Solve for x
    x = 219,529,815.62/13,417.35
  6. Step 6: Final answer
    x = 16,361.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.