Home / 13,132.47-19,710.09-6,896.91

Finding the Fourth Proportional to 13,132.47, 19,710.09 and 6,896.91

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Solution

The fourth proportional to 13,132.47, 19,710.09 and 6,896.91 is: 10,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.47 : 19,710.09 = 6,896.91 : x
  2. Step 2: Convert to fraction form
    13,132.47/19,710.09 = 6,896.91/x
  3. Step 3: Cross multiply
    13,132.47x = 19,710.09 × 6,896.91
  4. Step 4: Simplify right side
    13,132.47x = 135,938,716.82
  5. Step 5: Solve for x
    x = 135,938,716.82/13,132.47
  6. Step 6: Final answer
    x = 10,351.34

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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.