Home / 16,977.80-25,466.70-12,369.80

Finding the Fourth Proportional to 16,977.80, 25,466.70 and 12,369.80

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Solution

The fourth proportional to 16,977.80, 25,466.70 and 12,369.80 is: 18,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.80 : 25,466.70 = 12,369.80 : x
  2. Step 2: Convert to fraction form
    16,977.80/25,466.70 = 12,369.80/x
  3. Step 3: Cross multiply
    16,977.80x = 25,466.70 × 12,369.80
  4. Step 4: Simplify right side
    16,977.80x = 315,017,985.66
  5. Step 5: Solve for x
    x = 315,017,985.66/16,977.80
  6. Step 6: Final answer
    x = 18,554.70

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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.