Home / 20,817.46-31,170.70-16,269.18

Finding the Fourth Proportional to 20,817.46, 31,170.70 and 16,269.18

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Solution

The fourth proportional to 20,817.46, 31,170.70 and 16,269.18 is: 24,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817.46 : 31,170.70 = 16,269.18 : x
  2. Step 2: Convert to fraction form
    20,817.46/31,170.70 = 16,269.18/x
  3. Step 3: Cross multiply
    20,817.46x = 31,170.70 × 16,269.18
  4. Step 4: Simplify right side
    20,817.46x = 507,121,729.03
  5. Step 5: Solve for x
    x = 507,121,729.03/20,817.46
  6. Step 6: Final answer
    x = 24,360.40

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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.