Home / 20,537.49-30,800.08-10,671.39

Finding the Fourth Proportional to 20,537.49, 30,800.08 and 10,671.39

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Solution

The fourth proportional to 20,537.49, 30,800.08 and 10,671.39 is: 16,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.49 : 30,800.08 = 10,671.39 : x
  2. Step 2: Convert to fraction form
    20,537.49/30,800.08 = 10,671.39/x
  3. Step 3: Cross multiply
    20,537.49x = 30,800.08 × 10,671.39
  4. Step 4: Simplify right side
    20,537.49x = 328,679,679.05
  5. Step 5: Solve for x
    x = 328,679,679.05/20,537.49
  6. Step 6: Final answer
    x = 16,003.88

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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.