Home / 19,671.16-27,146.74-11,173.96

Finding the Fourth Proportional to 19,671.16, 27,146.74 and 11,173.96

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Solution

The fourth proportional to 19,671.16, 27,146.74 and 11,173.96 is: 15,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.16 : 27,146.74 = 11,173.96 : x
  2. Step 2: Convert to fraction form
    19,671.16/27,146.74 = 11,173.96/x
  3. Step 3: Cross multiply
    19,671.16x = 27,146.74 × 11,173.96
  4. Step 4: Simplify right side
    19,671.16x = 303,336,586.89
  5. Step 5: Solve for x
    x = 303,336,586.89/19,671.16
  6. Step 6: Final answer
    x = 15,420.37

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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.