Home / 20,539.46-30,814.06-10,676.50

Finding the Fourth Proportional to 20,539.46, 30,814.06 and 10,676.50

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Solution

The fourth proportional to 20,539.46, 30,814.06 and 10,676.50 is: 16,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.46 : 30,814.06 = 10,676.50 : x
  2. Step 2: Convert to fraction form
    20,539.46/30,814.06 = 10,676.50/x
  3. Step 3: Cross multiply
    20,539.46x = 30,814.06 × 10,676.50
  4. Step 4: Simplify right side
    20,539.46x = 328,986,311.59
  5. Step 5: Solve for x
    x = 328,986,311.59/20,539.46
  6. Step 6: Final answer
    x = 16,017.28

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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.