Home / 13,039.52-19,568.96-7,201.12

Finding the Fourth Proportional to 13,039.52, 19,568.96 and 7,201.12

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Solution

The fourth proportional to 13,039.52, 19,568.96 and 7,201.12 is: 10,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.52 : 19,568.96 = 7,201.12 : x
  2. Step 2: Convert to fraction form
    13,039.52/19,568.96 = 7,201.12/x
  3. Step 3: Cross multiply
    13,039.52x = 19,568.96 × 7,201.12
  4. Step 4: Simplify right side
    13,039.52x = 140,918,429.24
  5. Step 5: Solve for x
    x = 140,918,429.24/13,039.52
  6. Step 6: Final answer
    x = 10,807.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.