Home / 13,273.11-19,903.44-9,113.76

Finding the Fourth Proportional to 13,273.11, 19,903.44 and 9,113.76

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Solution

The fourth proportional to 13,273.11, 19,903.44 and 9,113.76 is: 13,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.11 : 19,903.44 = 9,113.76 : x
  2. Step 2: Convert to fraction form
    13,273.11/19,903.44 = 9,113.76/x
  3. Step 3: Cross multiply
    13,273.11x = 19,903.44 × 9,113.76
  4. Step 4: Simplify right side
    13,273.11x = 181,395,175.33
  5. Step 5: Solve for x
    x = 181,395,175.33/13,273.11
  6. Step 6: Final answer
    x = 13,666.37

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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.