Home / 10,485.72-14,469.44-6,505.38

Finding the Fourth Proportional to 10,485.72, 14,469.44 and 6,505.38

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Solution

The fourth proportional to 10,485.72, 14,469.44 and 6,505.38 is: 8,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.72 : 14,469.44 = 6,505.38 : x
  2. Step 2: Convert to fraction form
    10,485.72/14,469.44 = 6,505.38/x
  3. Step 3: Cross multiply
    10,485.72x = 14,469.44 × 6,505.38
  4. Step 4: Simplify right side
    10,485.72x = 94,129,173.06
  5. Step 5: Solve for x
    x = 94,129,173.06/10,485.72
  6. Step 6: Final answer
    x = 8,976.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.