Home / 12,329.41-17,009.80-7,852.36

Finding the Fourth Proportional to 12,329.41, 17,009.80 and 7,852.36

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Solution

The fourth proportional to 12,329.41, 17,009.80 and 7,852.36 is: 10,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.41 : 17,009.80 = 7,852.36 : x
  2. Step 2: Convert to fraction form
    12,329.41/17,009.80 = 7,852.36/x
  3. Step 3: Cross multiply
    12,329.41x = 17,009.80 × 7,852.36
  4. Step 4: Simplify right side
    12,329.41x = 133,567,073.13
  5. Step 5: Solve for x
    x = 133,567,073.13/12,329.41
  6. Step 6: Final answer
    x = 10,833.21

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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.