Home / 11,923.16-17,884.74-3,158.76

Finding the Fourth Proportional to 11,923.16, 17,884.74 and 3,158.76

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Solution

The fourth proportional to 11,923.16, 17,884.74 and 3,158.76 is: 4,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.16 : 17,884.74 = 3,158.76 : x
  2. Step 2: Convert to fraction form
    11,923.16/17,884.74 = 3,158.76/x
  3. Step 3: Cross multiply
    11,923.16x = 17,884.74 × 3,158.76
  4. Step 4: Simplify right side
    11,923.16x = 56,493,496.10
  5. Step 5: Solve for x
    x = 56,493,496.10/11,923.16
  6. Step 6: Final answer
    x = 4,738.13

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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.