Home / 13,010.64-19,517.28-3,650.69

Finding the Fourth Proportional to 13,010.64, 19,517.28 and 3,650.69

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Solution

The fourth proportional to 13,010.64, 19,517.28 and 3,650.69 is: 5,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.64 : 19,517.28 = 3,650.69 : x
  2. Step 2: Convert to fraction form
    13,010.64/19,517.28 = 3,650.69/x
  3. Step 3: Cross multiply
    13,010.64x = 19,517.28 × 3,650.69
  4. Step 4: Simplify right side
    13,010.64x = 71,251,441.34
  5. Step 5: Solve for x
    x = 71,251,441.34/13,010.64
  6. Step 6: Final answer
    x = 5,476.40

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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.