Home / 19,366.40-29,040.96-5,512.16

Finding the Fourth Proportional to 19,366.40, 29,040.96 and 5,512.16

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Solution

The fourth proportional to 19,366.40, 29,040.96 and 5,512.16 is: 8,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.40 : 29,040.96 = 5,512.16 : x
  2. Step 2: Convert to fraction form
    19,366.40/29,040.96 = 5,512.16/x
  3. Step 3: Cross multiply
    19,366.40x = 29,040.96 × 5,512.16
  4. Step 4: Simplify right side
    19,366.40x = 160,078,418.07
  5. Step 5: Solve for x
    x = 160,078,418.07/19,366.40
  6. Step 6: Final answer
    x = 8,265.78

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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.