Home / 11,305.72-16,954.80-4,640.50

Finding the Fourth Proportional to 11,305.72, 16,954.80 and 4,640.50

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Solution

The fourth proportional to 11,305.72, 16,954.80 and 4,640.50 is: 6,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.72 : 16,954.80 = 4,640.50 : x
  2. Step 2: Convert to fraction form
    11,305.72/16,954.80 = 4,640.50/x
  3. Step 3: Cross multiply
    11,305.72x = 16,954.80 × 4,640.50
  4. Step 4: Simplify right side
    11,305.72x = 78,678,749.40
  5. Step 5: Solve for x
    x = 78,678,749.40/11,305.72
  6. Step 6: Final answer
    x = 6,959.20

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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.