Home / 16,679.13-23,017.20-10,391.50

Finding the Fourth Proportional to 16,679.13, 23,017.20 and 10,391.50

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Solution

The fourth proportional to 16,679.13, 23,017.20 and 10,391.50 is: 14,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.13 : 23,017.20 = 10,391.50 : x
  2. Step 2: Convert to fraction form
    16,679.13/23,017.20 = 10,391.50/x
  3. Step 3: Cross multiply
    16,679.13x = 23,017.20 × 10,391.50
  4. Step 4: Simplify right side
    16,679.13x = 239,183,233.80
  5. Step 5: Solve for x
    x = 239,183,233.80/16,679.13
  6. Step 6: Final answer
    x = 14,340.27

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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.