Home / 16,699.28-23,020.40-12,713.44

Finding the Fourth Proportional to 16,699.28, 23,020.40 and 12,713.44

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Solution

The fourth proportional to 16,699.28, 23,020.40 and 12,713.44 is: 17,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.28 : 23,020.40 = 12,713.44 : x
  2. Step 2: Convert to fraction form
    16,699.28/23,020.40 = 12,713.44/x
  3. Step 3: Cross multiply
    16,699.28x = 23,020.40 × 12,713.44
  4. Step 4: Simplify right side
    16,699.28x = 292,668,474.18
  5. Step 5: Solve for x
    x = 292,668,474.18/16,699.28
  6. Step 6: Final answer
    x = 17,525.81

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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.