Home / 15,183.60-22,776.48-5,319.96

Finding the Fourth Proportional to 15,183.60, 22,776.48 and 5,319.96

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Solution

The fourth proportional to 15,183.60, 22,776.48 and 5,319.96 is: 7,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.60 : 22,776.48 = 5,319.96 : x
  2. Step 2: Convert to fraction form
    15,183.60/22,776.48 = 5,319.96/x
  3. Step 3: Cross multiply
    15,183.60x = 22,776.48 × 5,319.96
  4. Step 4: Simplify right side
    15,183.60x = 121,169,962.54
  5. Step 5: Solve for x
    x = 121,169,962.54/15,183.60
  6. Step 6: Final answer
    x = 7,980.32

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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.