Home / 16,956.21-23,399.15-9,402.42

Finding the Fourth Proportional to 16,956.21, 23,399.15 and 9,402.42

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Solution

The fourth proportional to 16,956.21, 23,399.15 and 9,402.42 is: 12,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.21 : 23,399.15 = 9,402.42 : x
  2. Step 2: Convert to fraction form
    16,956.21/23,399.15 = 9,402.42/x
  3. Step 3: Cross multiply
    16,956.21x = 23,399.15 × 9,402.42
  4. Step 4: Simplify right side
    16,956.21x = 220,008,676.68
  5. Step 5: Solve for x
    x = 220,008,676.68/16,956.21
  6. Step 6: Final answer
    x = 12,975.11

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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.