Home / 13,133.97-19,669.64-7,276.05

Finding the Fourth Proportional to 13,133.97, 19,669.64 and 7,276.05

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Solution

The fourth proportional to 13,133.97, 19,669.64 and 7,276.05 is: 10,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.97 : 19,669.64 = 7,276.05 : x
  2. Step 2: Convert to fraction form
    13,133.97/19,669.64 = 7,276.05/x
  3. Step 3: Cross multiply
    13,133.97x = 19,669.64 × 7,276.05
  4. Step 4: Simplify right side
    13,133.97x = 143,117,247.74
  5. Step 5: Solve for x
    x = 143,117,247.74/13,133.97
  6. Step 6: Final answer
    x = 10,896.72

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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.