Home / 13,037.09-17,986.47-8,563.25

Finding the Fourth Proportional to 13,037.09, 17,986.47 and 8,563.25

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Solution

The fourth proportional to 13,037.09, 17,986.47 and 8,563.25 is: 11,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.09 : 17,986.47 = 8,563.25 : x
  2. Step 2: Convert to fraction form
    13,037.09/17,986.47 = 8,563.25/x
  3. Step 3: Cross multiply
    13,037.09x = 17,986.47 × 8,563.25
  4. Step 4: Simplify right side
    13,037.09x = 154,022,639.23
  5. Step 5: Solve for x
    x = 154,022,639.23/13,037.09
  6. Step 6: Final answer
    x = 11,814.19

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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.