Home / 9,965.60-14,949.48-3,728.60

Finding the Fourth Proportional to 9,965.60, 14,949.48 and 3,728.60

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Solution

The fourth proportional to 9,965.60, 14,949.48 and 3,728.60 is: 5,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.60 : 14,949.48 = 3,728.60 : x
  2. Step 2: Convert to fraction form
    9,965.60/14,949.48 = 3,728.60/x
  3. Step 3: Cross multiply
    9,965.60x = 14,949.48 × 3,728.60
  4. Step 4: Simplify right side
    9,965.60x = 55,740,631.13
  5. Step 5: Solve for x
    x = 55,740,631.13/9,965.60
  6. Step 6: Final answer
    x = 5,593.30

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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.