Home / 12,237.09-16,886.37-7,200.33

Finding the Fourth Proportional to 12,237.09, 16,886.37 and 7,200.33

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Solution

The fourth proportional to 12,237.09, 16,886.37 and 7,200.33 is: 9,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.09 : 16,886.37 = 7,200.33 : x
  2. Step 2: Convert to fraction form
    12,237.09/16,886.37 = 7,200.33/x
  3. Step 3: Cross multiply
    12,237.09x = 16,886.37 × 7,200.33
  4. Step 4: Simplify right side
    12,237.09x = 121,587,436.50
  5. Step 5: Solve for x
    x = 121,587,436.50/12,237.09
  6. Step 6: Final answer
    x = 9,935.98

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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.