Home / 19,834.80-29,716.20-9,423.60

Finding the Fourth Proportional to 19,834.80, 29,716.20 and 9,423.60

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Solution

The fourth proportional to 19,834.80, 29,716.20 and 9,423.60 is: 14,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.80 : 29,716.20 = 9,423.60 : x
  2. Step 2: Convert to fraction form
    19,834.80/29,716.20 = 9,423.60/x
  3. Step 3: Cross multiply
    19,834.80x = 29,716.20 × 9,423.60
  4. Step 4: Simplify right side
    19,834.80x = 280,033,582.32
  5. Step 5: Solve for x
    x = 280,033,582.32/19,834.80
  6. Step 6: Final answer
    x = 14,118.30

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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.