Home / 13,037.60-17,991.72-7,069.25

Finding the Fourth Proportional to 13,037.60, 17,991.72 and 7,069.25

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Solution

The fourth proportional to 13,037.60, 17,991.72 and 7,069.25 is: 9,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.60 : 17,991.72 = 7,069.25 : x
  2. Step 2: Convert to fraction form
    13,037.60/17,991.72 = 7,069.25/x
  3. Step 3: Cross multiply
    13,037.60x = 17,991.72 × 7,069.25
  4. Step 4: Simplify right side
    13,037.60x = 127,187,960.99
  5. Step 5: Solve for x
    x = 127,187,960.99/13,037.60
  6. Step 6: Final answer
    x = 9,755.48

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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.