Home / 15,346.60-21,183.06-11,805.64

Finding the Fourth Proportional to 15,346.60, 21,183.06 and 11,805.64

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Solution

The fourth proportional to 15,346.60, 21,183.06 and 11,805.64 is: 16,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.60 : 21,183.06 = 11,805.64 : x
  2. Step 2: Convert to fraction form
    15,346.60/21,183.06 = 11,805.64/x
  3. Step 3: Cross multiply
    15,346.60x = 21,183.06 × 11,805.64
  4. Step 4: Simplify right side
    15,346.60x = 250,079,580.46
  5. Step 5: Solve for x
    x = 250,079,580.46/15,346.60
  6. Step 6: Final answer
    x = 16,295.44

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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.