Home / 16,817.91-23,207.79-9,262.77

Finding the Fourth Proportional to 16,817.91, 23,207.79 and 9,262.77

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Solution

The fourth proportional to 16,817.91, 23,207.79 and 9,262.77 is: 12,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.91 : 23,207.79 = 9,262.77 : x
  2. Step 2: Convert to fraction form
    16,817.91/23,207.79 = 9,262.77/x
  3. Step 3: Cross multiply
    16,817.91x = 23,207.79 × 9,262.77
  4. Step 4: Simplify right side
    16,817.91x = 214,968,420.98
  5. Step 5: Solve for x
    x = 214,968,420.98/16,817.91
  6. Step 6: Final answer
    x = 12,782.11

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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.