Home / 16,839.35-23,239.34-9,285.65

Finding the Fourth Proportional to 16,839.35, 23,239.34 and 9,285.65

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Solution

The fourth proportional to 16,839.35, 23,239.34 and 9,285.65 is: 12,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.35 : 23,239.34 = 9,285.65 : x
  2. Step 2: Convert to fraction form
    16,839.35/23,239.34 = 9,285.65/x
  3. Step 3: Cross multiply
    16,839.35x = 23,239.34 × 9,285.65
  4. Step 4: Simplify right side
    16,839.35x = 215,792,331.04
  5. Step 5: Solve for x
    x = 215,792,331.04/16,839.35
  6. Step 6: Final answer
    x = 12,814.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.