Home / 12,935.25-17,852.81-7,631.37

Finding the Fourth Proportional to 12,935.25, 17,852.81 and 7,631.37

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Solution

The fourth proportional to 12,935.25, 17,852.81 and 7,631.37 is: 10,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.25 : 17,852.81 = 7,631.37 : x
  2. Step 2: Convert to fraction form
    12,935.25/17,852.81 = 7,631.37/x
  3. Step 3: Cross multiply
    12,935.25x = 17,852.81 × 7,631.37
  4. Step 4: Simplify right side
    12,935.25x = 136,241,360.49
  5. Step 5: Solve for x
    x = 136,241,360.49/12,935.25
  6. Step 6: Final answer
    x = 10,532.56

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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.