Home / 12,135.09-16,754.48-7,604.58

Finding the Fourth Proportional to 12,135.09, 16,754.48 and 7,604.58

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Solution

The fourth proportional to 12,135.09, 16,754.48 and 7,604.58 is: 10,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.09 : 16,754.48 = 7,604.58 : x
  2. Step 2: Convert to fraction form
    12,135.09/16,754.48 = 7,604.58/x
  3. Step 3: Cross multiply
    12,135.09x = 16,754.48 × 7,604.58
  4. Step 4: Simplify right side
    12,135.09x = 127,410,783.52
  5. Step 5: Solve for x
    x = 127,410,783.52/12,135.09
  6. Step 6: Final answer
    x = 10,499.37

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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.