Home / 14,017.60-19,344.32-7,729.92

Finding the Fourth Proportional to 14,017.60, 19,344.32 and 7,729.92

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Solution

The fourth proportional to 14,017.60, 19,344.32 and 7,729.92 is: 10,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.60 : 19,344.32 = 7,729.92 : x
  2. Step 2: Convert to fraction form
    14,017.60/19,344.32 = 7,729.92/x
  3. Step 3: Cross multiply
    14,017.60x = 19,344.32 × 7,729.92
  4. Step 4: Simplify right side
    14,017.60x = 149,530,046.05
  5. Step 5: Solve for x
    x = 149,530,046.05/14,017.60
  6. Step 6: Final answer
    x = 10,667.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.