Home / 20,834.70-31,262.00-9,739.77

Finding the Fourth Proportional to 20,834.70, 31,262.00 and 9,739.77

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Solution

The fourth proportional to 20,834.70, 31,262.00 and 9,739.77 is: 14,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.70 : 31,262.00 = 9,739.77 : x
  2. Step 2: Convert to fraction form
    20,834.70/31,262.00 = 9,739.77/x
  3. Step 3: Cross multiply
    20,834.70x = 31,262.00 × 9,739.77
  4. Step 4: Simplify right side
    20,834.70x = 304,484,641.04
  5. Step 5: Solve for x
    x = 304,484,641.04/20,834.70
  6. Step 6: Final answer
    x = 14,614.30

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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.