Home / 20,914.92-31,368.24-10,373.94

Finding the Fourth Proportional to 20,914.92, 31,368.24 and 10,373.94

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Solution

The fourth proportional to 20,914.92, 31,368.24 and 10,373.94 is: 15,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.92 : 31,368.24 = 10,373.94 : x
  2. Step 2: Convert to fraction form
    20,914.92/31,368.24 = 10,373.94/x
  3. Step 3: Cross multiply
    20,914.92x = 31,368.24 × 10,373.94
  4. Step 4: Simplify right side
    20,914.92x = 325,412,239.67
  5. Step 5: Solve for x
    x = 325,412,239.67/20,914.92
  6. Step 6: Final answer
    x = 15,558.86

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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.