Home / 16,769.23-23,141.09-9,215.54

Finding the Fourth Proportional to 16,769.23, 23,141.09 and 9,215.54

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Solution

The fourth proportional to 16,769.23, 23,141.09 and 9,215.54 is: 12,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.23 : 23,141.09 = 9,215.54 : x
  2. Step 2: Convert to fraction form
    16,769.23/23,141.09 = 9,215.54/x
  3. Step 3: Cross multiply
    16,769.23x = 23,141.09 × 9,215.54
  4. Step 4: Simplify right side
    16,769.23x = 213,257,594.46
  5. Step 5: Solve for x
    x = 213,257,594.46/16,769.23
  6. Step 6: Final answer
    x = 12,717.20

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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.