Home / 16,128.57-24,186.68-5,306.78

Finding the Fourth Proportional to 16,128.57, 24,186.68 and 5,306.78

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Solution

The fourth proportional to 16,128.57, 24,186.68 and 5,306.78 is: 7,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.57 : 24,186.68 = 5,306.78 : x
  2. Step 2: Convert to fraction form
    16,128.57/24,186.68 = 5,306.78/x
  3. Step 3: Cross multiply
    16,128.57x = 24,186.68 × 5,306.78
  4. Step 4: Simplify right side
    16,128.57x = 128,353,426.56
  5. Step 5: Solve for x
    x = 128,353,426.56/16,128.57
  6. Step 6: Final answer
    x = 7,958.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.