Home / 15,879.87-23,773.64-13,765.16

Finding the Fourth Proportional to 15,879.87, 23,773.64 and 13,765.16

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Solution

The fourth proportional to 15,879.87, 23,773.64 and 13,765.16 is: 20,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.87 : 23,773.64 = 13,765.16 : x
  2. Step 2: Convert to fraction form
    15,879.87/23,773.64 = 13,765.16/x
  3. Step 3: Cross multiply
    15,879.87x = 23,773.64 × 13,765.16
  4. Step 4: Simplify right side
    15,879.87x = 327,247,948.99
  5. Step 5: Solve for x
    x = 327,247,948.99/15,879.87
  6. Step 6: Final answer
    x = 20,607.72

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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.