Home / 13,082.64-19,610.32-5,680.84

Finding the Fourth Proportional to 13,082.64, 19,610.32 and 5,680.84

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Solution

The fourth proportional to 13,082.64, 19,610.32 and 5,680.84 is: 8,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.64 : 19,610.32 = 5,680.84 : x
  2. Step 2: Convert to fraction form
    13,082.64/19,610.32 = 5,680.84/x
  3. Step 3: Cross multiply
    13,082.64x = 19,610.32 × 5,680.84
  4. Step 4: Simplify right side
    13,082.64x = 111,403,090.27
  5. Step 5: Solve for x
    x = 111,403,090.27/13,082.64
  6. Step 6: Final answer
    x = 8,515.34

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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.