Home / 11,313.56-16,969.98-3,520.28

Finding the Fourth Proportional to 11,313.56, 16,969.98 and 3,520.28

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Solution

The fourth proportional to 11,313.56, 16,969.98 and 3,520.28 is: 5,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.56 : 16,969.98 = 3,520.28 : x
  2. Step 2: Convert to fraction form
    11,313.56/16,969.98 = 3,520.28/x
  3. Step 3: Cross multiply
    11,313.56x = 16,969.98 × 3,520.28
  4. Step 4: Simplify right side
    11,313.56x = 59,739,081.19
  5. Step 5: Solve for x
    x = 59,739,081.19/11,313.56
  6. Step 6: Final answer
    x = 5,280.31

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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.