Home / 13,037.71-17,995.15-7,735.60

Finding the Fourth Proportional to 13,037.71, 17,995.15 and 7,735.60

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Solution

The fourth proportional to 13,037.71, 17,995.15 and 7,735.60 is: 10,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.71 : 17,995.15 = 7,735.60 : x
  2. Step 2: Convert to fraction form
    13,037.71/17,995.15 = 7,735.60/x
  3. Step 3: Cross multiply
    13,037.71x = 17,995.15 × 7,735.60
  4. Step 4: Simplify right side
    13,037.71x = 139,203,153.69
  5. Step 5: Solve for x
    x = 139,203,153.69/13,037.71
  6. Step 6: Final answer
    x = 10,676.97

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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.