Home / 16,239.09-22,410.30-9,165.57

Finding the Fourth Proportional to 16,239.09, 22,410.30 and 9,165.57

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Solution

The fourth proportional to 16,239.09, 22,410.30 and 9,165.57 is: 12,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.09 : 22,410.30 = 9,165.57 : x
  2. Step 2: Convert to fraction form
    16,239.09/22,410.30 = 9,165.57/x
  3. Step 3: Cross multiply
    16,239.09x = 22,410.30 × 9,165.57
  4. Step 4: Simplify right side
    16,239.09x = 205,403,123.70
  5. Step 5: Solve for x
    x = 205,403,123.70/16,239.09
  6. Step 6: Final answer
    x = 12,648.68

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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.