Home / 16,816.98-23,208.21-9,747.30

Finding the Fourth Proportional to 16,816.98, 23,208.21 and 9,747.30

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Solution

The fourth proportional to 16,816.98, 23,208.21 and 9,747.30 is: 13,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.98 : 23,208.21 = 9,747.30 : x
  2. Step 2: Convert to fraction form
    16,816.98/23,208.21 = 9,747.30/x
  3. Step 3: Cross multiply
    16,816.98x = 23,208.21 × 9,747.30
  4. Step 4: Simplify right side
    16,816.98x = 226,217,385.33
  5. Step 5: Solve for x
    x = 226,217,385.33/16,816.98
  6. Step 6: Final answer
    x = 13,451.72

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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.