Home / 16,781.40-25,172.10-16,314.84

Finding the Fourth Proportional to 16,781.40, 25,172.10 and 16,314.84

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Solution

The fourth proportional to 16,781.40, 25,172.10 and 16,314.84 is: 24,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.40 : 25,172.10 = 16,314.84 : x
  2. Step 2: Convert to fraction form
    16,781.40/25,172.10 = 16,314.84/x
  3. Step 3: Cross multiply
    16,781.40x = 25,172.10 × 16,314.84
  4. Step 4: Simplify right side
    16,781.40x = 410,678,783.96
  5. Step 5: Solve for x
    x = 410,678,783.96/16,781.40
  6. Step 6: Final answer
    x = 24,472.26

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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.