Home / 18,702.11-28,052.94-10,816.49

Finding the Fourth Proportional to 18,702.11, 28,052.94 and 10,816.49

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Solution

The fourth proportional to 18,702.11, 28,052.94 and 10,816.49 is: 16,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.11 : 28,052.94 = 10,816.49 : x
  2. Step 2: Convert to fraction form
    18,702.11/28,052.94 = 10,816.49/x
  3. Step 3: Cross multiply
    18,702.11x = 28,052.94 × 10,816.49
  4. Step 4: Simplify right side
    18,702.11x = 303,434,344.98
  5. Step 5: Solve for x
    x = 303,434,344.98/18,702.11
  6. Step 6: Final answer
    x = 16,224.60

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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.