Home / 14,743.80-22,115.70-7,745.40

Finding the Fourth Proportional to 14,743.80, 22,115.70 and 7,745.40

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Solution

The fourth proportional to 14,743.80, 22,115.70 and 7,745.40 is: 11,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.80 : 22,115.70 = 7,745.40 : x
  2. Step 2: Convert to fraction form
    14,743.80/22,115.70 = 7,745.40/x
  3. Step 3: Cross multiply
    14,743.80x = 22,115.70 × 7,745.40
  4. Step 4: Simplify right side
    14,743.80x = 171,294,942.78
  5. Step 5: Solve for x
    x = 171,294,942.78/14,743.80
  6. Step 6: Final answer
    x = 11,618.10

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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.