Home / 10,745.08-16,142.33-7,632.66

Finding the Fourth Proportional to 10,745.08, 16,142.33 and 7,632.66

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Solution

The fourth proportional to 10,745.08, 16,142.33 and 7,632.66 is: 11,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.08 : 16,142.33 = 7,632.66 : x
  2. Step 2: Convert to fraction form
    10,745.08/16,142.33 = 7,632.66/x
  3. Step 3: Cross multiply
    10,745.08x = 16,142.33 × 7,632.66
  4. Step 4: Simplify right side
    10,745.08x = 123,208,916.50
  5. Step 5: Solve for x
    x = 123,208,916.50/10,745.08
  6. Step 6: Final answer
    x = 11,466.54

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Double scale
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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.