Home / 12,553.07-17,323.39-6,887.45

Finding the Fourth Proportional to 12,553.07, 17,323.39 and 6,887.45

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Solution

The fourth proportional to 12,553.07, 17,323.39 and 6,887.45 is: 9,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.07 : 17,323.39 = 6,887.45 : x
  2. Step 2: Convert to fraction form
    12,553.07/17,323.39 = 6,887.45/x
  3. Step 3: Cross multiply
    12,553.07x = 17,323.39 × 6,887.45
  4. Step 4: Simplify right side
    12,553.07x = 119,313,982.46
  5. Step 5: Solve for x
    x = 119,313,982.46/12,553.07
  6. Step 6: Final answer
    x = 9,504.77

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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.