Home / 21,935.62-30,271.03-11,863.98

Finding the Fourth Proportional to 21,935.62, 30,271.03 and 11,863.98

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Solution

The fourth proportional to 21,935.62, 30,271.03 and 11,863.98 is: 16,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.62 : 30,271.03 = 11,863.98 : x
  2. Step 2: Convert to fraction form
    21,935.62/30,271.03 = 11,863.98/x
  3. Step 3: Cross multiply
    21,935.62x = 30,271.03 × 11,863.98
  4. Step 4: Simplify right side
    21,935.62x = 359,134,743.14
  5. Step 5: Solve for x
    x = 359,134,743.14/21,935.62
  6. Step 6: Final answer
    x = 16,372.22

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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.