Home / 12,936.52-17,840.28-10,292.68

Finding the Fourth Proportional to 12,936.52, 17,840.28 and 10,292.68

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Solution

The fourth proportional to 12,936.52, 17,840.28 and 10,292.68 is: 14,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.52 : 17,840.28 = 10,292.68 : x
  2. Step 2: Convert to fraction form
    12,936.52/17,840.28 = 10,292.68/x
  3. Step 3: Cross multiply
    12,936.52x = 17,840.28 × 10,292.68
  4. Step 4: Simplify right side
    12,936.52x = 183,624,293.15
  5. Step 5: Solve for x
    x = 183,624,293.15/12,936.52
  6. Step 6: Final answer
    x = 14,194.26

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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.