Home / 13,037.97-17,986.07-7,729.04

Finding the Fourth Proportional to 13,037.97, 17,986.07 and 7,729.04

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Solution

The fourth proportional to 13,037.97, 17,986.07 and 7,729.04 is: 10,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.97 : 17,986.07 = 7,729.04 : x
  2. Step 2: Convert to fraction form
    13,037.97/17,986.07 = 7,729.04/x
  3. Step 3: Cross multiply
    13,037.97x = 17,986.07 × 7,729.04
  4. Step 4: Simplify right side
    13,037.97x = 139,014,925.90
  5. Step 5: Solve for x
    x = 139,014,925.90/13,037.97
  6. Step 6: Final answer
    x = 10,662.31

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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.