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Finding the Fourth Proportional to 14,983.21, 22,472.03 and 4,988.12

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Solution

The fourth proportional to 14,983.21, 22,472.03 and 4,988.12 is: 7,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.21 : 22,472.03 = 4,988.12 : x
  2. Step 2: Convert to fraction form
    14,983.21/22,472.03 = 4,988.12/x
  3. Step 3: Cross multiply
    14,983.21x = 22,472.03 × 4,988.12
  4. Step 4: Simplify right side
    14,983.21x = 112,093,082.39
  5. Step 5: Solve for x
    x = 112,093,082.39/14,983.21
  6. Step 6: Final answer
    x = 7,481.25

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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.