Home / 9,728.67-13,409.42-6,892.41

Finding the Fourth Proportional to 9,728.67, 13,409.42 and 6,892.41

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Solution

The fourth proportional to 9,728.67, 13,409.42 and 6,892.41 is: 9,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.67 : 13,409.42 = 6,892.41 : x
  2. Step 2: Convert to fraction form
    9,728.67/13,409.42 = 6,892.41/x
  3. Step 3: Cross multiply
    9,728.67x = 13,409.42 × 6,892.41
  4. Step 4: Simplify right side
    9,728.67x = 92,423,220.50
  5. Step 5: Solve for x
    x = 92,423,220.50/9,728.67
  6. Step 6: Final answer
    x = 9,500.09

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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.