Home / 12,482.07-17,195.96-8,698.36

Finding the Fourth Proportional to 12,482.07, 17,195.96 and 8,698.36

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Solution

The fourth proportional to 12,482.07, 17,195.96 and 8,698.36 is: 11,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.07 : 17,195.96 = 8,698.36 : x
  2. Step 2: Convert to fraction form
    12,482.07/17,195.96 = 8,698.36/x
  3. Step 3: Cross multiply
    12,482.07x = 17,195.96 × 8,698.36
  4. Step 4: Simplify right side
    12,482.07x = 149,576,650.63
  5. Step 5: Solve for x
    x = 149,576,650.63/12,482.07
  6. Step 6: Final answer
    x = 11,983.32

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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.